CN112998826B - Puncture outfit for laparoscopic surgery - Google Patents

Abstract

The present invention provides a puncture instrument for laparoscopic surgery, comprising: a puncture cannula and a puncture cone; the puncture cannula comprises a cannula body and a flushing component arranged at the top of the cannula body, and a hollow pipeline is used for inserting a puncture cone; the flushing assembly comprises a flushing part shell, a top opening is formed in the flushing part shell, and a first waterproof gasket is arranged on the top opening; the shell of the washing part is provided with a bottom opening; a washing cavity, an accommodating cavity and a water storage cavity are arranged in the washing part shell; the puncture cone comprises a cone body; the lower extreme of pyramis barrel is equipped with the conical head, and the inside of conical head is equipped with well cavity, and the inside of well cavity is equipped with the camera. The puncture outfit is used for laparoscopic surgery, and during the process of puncture, the whole process can realize visual operation; the invention can realize that the lens of the abdominal cavity endoscope is cleaned and wiped in the puncture outfit, thereby reducing the operation time and improving the operation efficiency.

Description

Puncture outfit for laparoscopic surgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to a puncture outfit for laparoscopic surgery.

Background

When performing laparoscopic surgery, it is necessary to first establish an observation and operation pipeline, i.e., to use a puncture instrument to perforate the abdominal wall and enter the abdominal cavity. The puncture outfit comprises a puncture cone and a puncture cannula, wherein the puncture cannula is used for the puncture cone and the lens of the abdominal cavity endoscope to penetrate.

In a laparoscopic minimally invasive surgery, the lens of an abdominal cavity endoscope needs to be kept stable definition all the time, which is a key guarantee factor for smooth operation. However, due to the difference between the temperature of the carbon dioxide for the external pneumoperitoneum and the temperature of the abdominal cavity, and the heat generated by the energy knife during the operation, mist is often formed on the lens of the abdominal cavity endoscope, which may cause the lens of the abdominal cavity endoscope to be blurred, thereby affecting the observation and operation of the operator, which may not only affect the smooth operation of the operation, but also may cause misoperation to cause some complications.

The method mainly comprises the following measures of solving the problem of blurring of the abdominal cavity endoscope lens clinically, namely taking out the abdominal cavity endoscope lens, soaking the abdominal cavity endoscope lens in warm water for about 10 seconds, wiping the abdominal cavity endoscope lens by gauze or wiping the abdominal cavity endoscope lens by iodophor gauze, and then putting the abdominal cavity endoscope lens into a puncture hole of a puncture sleeve again to continue operation; secondly, medical oil which can prevent fogging is coated on the laparoscope lens in advance, and the laparoscope lens can be prevented from being polluted within a certain time. The methods for preventing the abdominal cavity endoscope lens from being fuzzy have advantages and disadvantages, the abdominal cavity endoscope lens is taken out and soaked in warm water or wiped by iodophor gauze, and then is wiped by the gauze and then returns to the puncture hole, and the general operation time is long. And the holding time of the anti-contamination oil smearing lens is shorter.

Therefore, it is clinically urgent to design a structure for rapidly cleaning the lens of the laparoscope to achieve the purpose of accelerating the surgical process.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a puncture instrument for laparoscopic surgery capable of cleaning and wiping a blurred laparoscopic lens, which solves the above-mentioned problems occurring in the prior art.

To achieve the above and other related objects, the present invention provides a puncture instrument for laparoscopic surgery, comprising: a puncture cannula and a puncture cone;

the puncture cannula comprises a cannula body and a flushing component arranged at the top of the cannula body, wherein the cannula body is provided with a hollow pipeline, and the puncture cone is inserted into the hollow pipeline; the flushing assembly comprises a flushing part shell, a top opening is formed in the top wall of the interior of the flushing part shell, a first waterproof gasket is arranged on the top opening, and a first gasket scratching part is formed in the first waterproof gasket; the bottom wall of the interior of the washing part shell is provided with a bottom opening; a washing cavity, an accommodating cavity and a water storage cavity are arranged in the washing part shell; the flushing cavity is positioned between the accommodating cavity and the water storage cavity; the flushing cavity is provided with a communication port and is communicated with the accommodating cavity through the communication port; the containing cavity is filled with a sponge body, and a sponge piece scratching part is arranged on the sponge body; the flushing cavity is also provided with a plurality of flushing holes and is communicated with the water storage cavity through all the flushing holes; the water storage cavity is communicated with the outside of the washing part shell through a water delivery channel;

the puncture cone comprises a cone body, and the cone body is provided with a middle through hole; the lower end of the cone part cylinder is provided with a cone head, the cone head is made of transparent materials, a hollow cavity is arranged inside the cone head and is communicated with the middle through hole, and a camera is arranged inside the hollow cavity; the upper end of the pyramid part cylinder body is provided with a pyramid part shell, a display screen, a controller and a trigger switch are installed inside the pyramid part shell, the display screen, the trigger switch and the camera are all connected with the controller, and the bottom surface of the trigger switch is located below the bottom surface of the pyramid part shell.

Preferably, the central axis of the bottom opening is collinear with the central axis of the top opening, the central axis of the bottom opening is collinear with the central axis of the sleeve body, and the central axis of the bottom opening passes through the central point of the first gasket score portion.

Furthermore, a support piece and an annular water spraying disc are arranged inside the washing part shell, the support piece is positioned above the annular water spraying disc, and the support piece and the annular water spraying disc divide the inside of the washing part shell into the accommodating cavity, the washing cavity and the water storage cavity from top to bottom; the inside of the washing part shell is also provided with an annular adapting piece, the annular adapting piece is arranged between the annular water spraying disc and the bottom surface of the washing part shell, and the water storage cavity forms an annular cavity; the upper surface of the annular water spraying disc is provided with the flushing hole, and the communication port is positioned at the bottom of the supporting piece; and a second waterproof gasket is arranged in a middle hole channel of the annular water spray disk, and a second gasket scratching part is arranged on the second waterproof gasket.

Furthermore, the water delivery channel is a water inlet and outlet pipeline, the water inlet and outlet pipeline is installed on the outer side surface of the shell of the washing part, and the water inlet and outlet pipeline is communicated with the water storage cavity.

Further, the supporting member is a downwardly concave structure, and an upper portion of the supporting member is connected to a top wall of the flushing part housing.

Furthermore, the annular water spray disc comprises an inner ring part, a middle disc body and an outer ring part which are sequentially connected from inside to outside, the middle disc body is of a downward concave structure, and all the flushing holes are formed in the middle disc body; the outer peripheral surface of the outer ring portion is connected with the side wall of the flushing portion shell.

Still further, the axis of inner circle portion with the axis collineation of top opening, the axis of inner circle portion passes through the central point of second gasket cutting portion.

Furthermore, all the flushing holes are uniformly arranged along the circumferential direction of the middle disc body, and the central axes of the flushing holes are obliquely arranged relative to the central axis of the top opening; in each of the flushing holes, the upper end of the flushing hole is closer to the central axis of the top opening than the lower end of the flushing hole.

Furthermore, an annular sleeve is arranged inside the washing part shell, and the central axis of the annular sleeve is collinear with the central axis of the top opening; the upper end of the annular sleeve is connected with the top wall of the flushing part shell, and the lower end of the annular sleeve is connected with the bottom wall of the flushing part shell; the water storage cavity is formed between the outer side surface of the annular sleeve and the side wall of the washing part shell; the washing part shell is internally provided with a sponge part cover body, the sponge part cover body is of an upwards-sunken concave structure, the sponge part cover body is positioned in the annular sleeve, the sponge part cover body covers the bottom opening, the sponge part cover body is connected with the bottom wall of the washing part shell, the concave structure is the accommodating cavity, and the communication port is formed in the top of the sponge part cover body; a washing cavity is formed between the inner side surface of the annular sleeve and the sponge part cover body; a plurality of flushing holes are formed in the annular sleeve; the top surface of cavernosum with hold and be equipped with the third waterproof gasket between the roof in chamber, be equipped with the third gasket on the third waterproof gasket and mark the oral area.

Furthermore, the water delivery channel comprises a water injection pipeline, a first water discharge port and a second water discharge port, the water injection pipeline is arranged on the outer side surface of the shell of the washing part, and the water injection pipeline is communicated with the water storage cavity; the first water outlet is arranged on the outer side surface of the washing part shell, and the second water outlet is arranged on the annular sleeve; plugging silica gel is arranged on the first water outlet and the second water outlet; the first water outlet and the second water outlet are coaxially arranged, and the water injection pipeline is positioned above the first water outlet.

As described above, the puncture outfit for laparoscopic surgery of the present invention has the following advantageous effects:

in the puncture outfit for laparoscopic surgery, the conical head of the puncture cone is made of transparent materials, the hollow chamber is arranged inside the conical head, and the camera is arranged inside the hollow chamber, so that the puncture cone is inserted into the sleeve body of the puncture sleeve, and during the puncture process, the whole process can realize visual operation, thus avoiding the risk of surgery; in addition, when the lens of the abdominal cavity endoscope inserted into the puncture cannula is blurred, the lens of the abdominal cavity endoscope is pulled out upwards from the cannula body to the shell of the washing part, when the lens of the abdominal cavity endoscope enters the washing cavity, after cleaning liquid such as saline water is filled into the water storage cavity through the water delivery channel, the saline water washes the lens of the abdominal cavity endoscope in the washing cavity through the washing hole on the washing cavity; after the cleaning process of the laparoscope lens is finished, the laparoscope lens is moved into the accommodating cavity, the sponge body in the accommodating cavity wipes water drops on the laparoscope lens completely, so that the wiping process of the laparoscope lens is finished, and then the laparoscope lens can be pushed into the sleeve body of the puncture sleeve again; the invention can realize that the lens of the abdominal cavity endoscope is cleaned and wiped in the puncture outfit, thereby reducing the operation time and improving the operation efficiency.

Drawings

Fig. 1 is a perspective view schematically showing a puncture instrument for laparoscopic surgery according to embodiment 1.

Fig. 2 is a perspective view schematically showing a puncture cone of the puncture instrument for laparoscopic surgery of embodiment 1.

Fig. 3 is an exploded perspective view schematically showing a puncture cone of the puncture instrument for laparoscopic surgery of embodiment 1.

Fig. 4 is a perspective view schematically showing a puncture cannula of the puncture instrument for laparoscopic surgery of embodiment 1.

FIG. 5 is a schematic view showing an internal structure of a puncture cannula of the puncture instrument for laparoscopic surgery of example 1.

Fig. 6 is an enlarged schematic view of a structure at a in fig. 5.

Fig. 7 is a schematic structural view showing an annular water spray disk of the puncture instrument for laparoscopic surgery according to embodiment 1.

Fig. 8 is a schematic structural view showing an opening portion of a cross-shaped gasket provided on a first waterproof gasket of the puncture instrument for laparoscopic surgery of embodiment 1.

FIG. 9 is a schematic view showing a structure in which a cross-shaped sponge opening is provided at a sponge body of the puncture instrument for laparoscopic surgery of example 1.

FIG. 10 is a perspective view showing a puncture cannula of the puncture instrument for laparoscopic surgery of example 2.

FIG. 11 is a schematic view showing an internal structure of a puncture cannula of the puncture instrument for laparoscopic surgery of example 2.

Fig. 12 is an enlarged schematic view of the structure at B of fig. 11.

Fig. 13 is a schematic view showing an internal structure of a case in which an annular sheath is provided inside an irrigation part housing of the puncture instrument for laparoscopic surgery according to embodiment 2.

Fig. 14 is a schematic structural view showing that a first waterproof gasket of the puncture instrument for laparoscopic surgery of embodiment 1 is provided with an in-line gasket opening portion.

Fig. 15 is a schematic structural view showing a portion of a first waterproof gasket of the puncture instrument for laparoscopic surgery provided with four gasket cut-out line portions intersecting at a central point in accordance with embodiment 1.

Description of the reference numerals

100. Puncture cannula

110. Casing body

111. Hollow pipeline

101. 102 water delivery channel

1021. Water injection pipeline

1022. First drain outlet

1023. Second water outlet

1024. Plugging silica gel

120. Flushing part shell

121. Open at the top

122. First waterproof gasket

123. First gasket cut part

124. Bottom opening

131. 132 flushing chamber

133. 134 flushing hole

135. 136 communication port

141. 142 containing cavity

151. 152 water storage cavity

160. Sponge body

161. Cut part of sponge piece

171. Support piece

172. Annular water spraying disc

1721. Inner ring part

1722. Middle tray body

1723. Outer ring part

173. Annular adapting piece

174. Second waterproof gasket

181. Annular sleeve

182. Sponge part cover

183. Third water-proof cushion sheet

200. Puncture awl

210. Cone barrel

220. Conical head

230. Camera head

240. Pyramid shell

241. Display screen

242. Controller

243. Trigger switch

244. Power supply

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to the attached drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms may be changed or adjusted without substantial change in the technical content.

Example 1

As shown in fig. 1 to 9, 14 and 15, the puncture instrument for laparoscopic surgery of the present embodiment includes: apuncture cannula 100 and apuncture cone 200;

the puncture cannula 100, the puncture cannula 100 includes a cannula body 110 and a flushing component arranged on the top of the cannula body 110, the cannula body 110 has a hollow pipeline 111, the hollow pipeline 111 is inserted by the puncture cone 200; the flushing assembly comprises a flushing part shell 120, a top opening 121 is arranged on the top wall of the interior of the flushing part shell 120, a first waterproof gasket 122 is arranged on the top opening 121, and a first gasket scratching part 123 is arranged on the first waterproof gasket 122; a bottom opening 124 is formed on the bottom wall of the interior of the flushing part housing 120; a washing chamber 131, an accommodating chamber 141 and a water storage chamber 151 are arranged in the washing part housing 120; the flushing cavity 131 is positioned between the accommodating cavity 141 and the water storage cavity 151; the flushing cavity 131 is provided with a communication port 135, and the flushing cavity 131 is communicated with the accommodating cavity 141 through the communication port 135; the containing cavity 141 is filled with a sponge body 160, and the sponge body 160 is provided with a sponge piece cut part 161; the flushing cavity 131 is also provided with a plurality of flushing holes 133, and the flushing cavity 131 is communicated with the water storage cavity 151 through all the flushing holes 133; the water storage chamber 151 communicates with the outside of the washing part housing 120 through the water delivery passage 101;

the piercingcone 200 includes acone barrel 210, thecone barrel 210 having a central through hole; the lower end of thecone barrel 210 is provided with acone head 220, thecone head 220 is made of transparent materials, a hollow chamber is arranged inside thecone head 220, the hollow chamber is communicated with the middle through hole, and acamera 230 is arranged inside the hollow chamber; the upper end of thecone cylinder 210 is provided with acone housing 240, adisplay 241, acontroller 242, apower supply 244 and atrigger switch 243 are mounted in thecone housing 240, thepower supply 244, thedisplay 241, thetrigger switch 243 and thecamera 230 are all connected with thecontroller 242, and the bottom surface of thetrigger switch 243 is positioned below the bottom surface of thecone housing 240.

In the puncture outfit for laparoscopic surgery of the present invention, when the view field is blurred during the laparoscopic operation, the laparoscope lens inserted into thelaparoscope cannula 100 is pulled out from thecannula body 110 to thewashing part housing 120, when the laparoscope lens enters thewashing cavity 131, 20-50ml of warm saline is filled into thewater storage cavity 151 through thewater delivery channel 101, and then the saline washes the laparoscope lens in thewashing cavity 131 through thewashing hole 133 on thewashing cavity 131; after the cleaning process of the laparoscope lens is finished, the laparoscope lens is moved into theaccommodating cavity 141, thesponge body 160 in theaccommodating cavity 141 wipes water drops on the laparoscope lens clean, so that the wiping process of the laparoscope lens is finished, and then the laparoscope lens can be pushed into thecannula body 110 of thepuncture cannula 100 again; the invention can realize that the lens of the abdominal cavity endoscope is cleaned and wiped in the puncture outfit, thereby reducing the risk of operation infection, reducing the operation time and improving the operation efficiency. Being equipped with firstwaterproof gasket 122 on the open-top 121, being equipped with first gasket on the firstwaterproof gasket 122 and drawing theoral area 123, this structure can enough be convenient for abdominal cavity endoscope camera lens and punctureawl 200 to penetrate insleeve pipe body 110, can play the shutoff effect to open-top 121 again, prevents to the outside blowout of rivers when wasing abdominal cavity endoscope camera lens. The firstgasket cut portion 123 is a gasket opening portion cut in the center of the top of the firstwaterproof gasket 122, and the gasket opening portion is a linear gasket opening portion, a cross-shaped gasket opening portion, or a gasket opening portion formed by three or more gasket cut line portions whose center points intersect. The sponge material cutportion 161 is a sponge material opening portion cut in the center of the top of thesponge body 160, and the sponge material opening portion is a straight sponge material opening portion, a cross sponge material opening portion, or a sponge material opening portion formed by three or more sponge material cut line portions whose center points intersect. In this embodiment, the gasket opening portion is a cross-shaped gasket opening portion, and the sponge opening portion is a cross-shaped sponge opening portion.

In addition, since thecone head 220 of thepuncture cone 200 is made of a transparent material, a hollow chamber is arranged inside thecone head 220, thecamera 230 is arranged inside the hollow chamber, and the bottom surface of thetrigger switch 243 is located below the bottom surface of thecone housing 240, so that thepuncture cone 200 is inserted into thecannula body 110 of thepuncture cannula 100, when the puncture process is performed, thecone cylinder 210 contacts with the top surface of the flushinghousing 120 of the flushing assembly, thetrigger switch 243 is turned on, thecamera 230 transmits the shot image information to thecontroller 242, and after thecontroller 242 processes the obtained image information, an image is displayed on thedisplay screen 241, so that the whole process of the puncture can be visualized, and the surgical risk can be avoided. That is, when thepuncture awl 200 is used to establish the first observation hole, i.e. first try to penetrate all layers of the abdominal wall and enter the peritoneum, the existing technology is not provided with thecamera 230, and medical staff cannot acquire images during the puncture process, and if a patient is locally adhered, unexpected complications are likely to be brought; thecamera 230 is arranged in thecone head 220 of thepuncture cone 200, so that the whole puncture process can be visualized, and the risk of complications can be completely avoided. When thecone barrel 210 contacts with the top surface of thewashing part shell 120 of the washing assembly, thetrigger switch 243 is turned on, so that the structure is simple and the control is convenient.

Because the lens of the abdominal cavity endoscope is arranged on the straight rod piece, the central axis of thebottom opening 124 is collinear with the central axis of thetop opening 121, the central axis of thebottom opening 124 is collinear with the central axis of thesleeve body 110, and the central axis of thebottom opening 124 passes through the central point of the firstgasket scratch part 123. This configuration facilitates the entry of the laparoscopic lens into thecone barrel 210 after passing through thetop opening 121, the first gasket cut 123, and thebottom opening 124 in that order.

The inside of thewashing part shell 120 is provided with asupport member 171 and an annularwater spraying disc 172, thesupport member 171 is positioned above the annularwater spraying disc 172, and the inside of thewashing part shell 120 is divided into anaccommodating cavity 141, awashing cavity 131 and awater storage cavity 151 from top to bottom by thesupport member 171 and the annularwater spraying disc 172; anannular adapting piece 173 is further arranged inside thewashing part shell 120, theannular adapting piece 173 is arranged between the annularwater spraying disc 172 and the bottom surface of thewashing part shell 120, and thewater storage cavity 151 forms an annular cavity; the upper surface of the annularwater spray disk 172 is provided with aflushing hole 133, and thecommunication port 135 is positioned at the bottom of thesupport member 171; a secondwaterproof gasket 174 is arranged in the middle hole of the annularwater spraying disc 172, and a second gasket cutting part is arranged on the secondwaterproof gasket 174. The structure of the secondwaterproof gasket 174 is the same as that of the firstwaterproof gasket 122.

When the lens of the abdominal cavity endoscope needs to be cleaned, the lens of the abdominal cavity endoscope moves upwards to firstly pass through thebottom opening 124, and then enters theflushing cavity 131 after the lens of the abdominal cavity endoscope passes through the incision part of the second gasket; after warm saline water in thewater delivery channel 101 is filled in thewater storage cavity 151, the warm saline water is sprayed into thewashing cavity 131 through thewashing hole 133, and the warm saline water washes the endoscope lens in the abdominal cavity; after the lens of the abdominal cavity endoscope is flushed, water in theflushing cavity 131 flows into thewater storage cavity 151 along theflushing hole 133, and the injector recovers saline water in thewater storage cavity 151 through thewater delivery channel 101; the lens of the abdominal cavity endoscope is moved upwards to theaccommodating cavity 141, after the lens of the abdominal cavity endoscope rotates in the sponge layer in theaccommodating cavity 141 for a moment, water drops on the lens of the abdominal cavity endoscope are wiped off, and the lens of the abdominal cavity endoscope is cleaned and wiped in the puncture outfit. Because theaccommodating cavity 141 is located above theflushing cavity 131, when blood stains and oil stains are stained on the abdominal cavity endoscope lens, the abdominal cavity endoscope lens cannot touch thesponge body 160 when not being flushed, the blood stains and the oil stains cannot pollute thesponge body 160, and thesponge body 160 can clean the cleaned abdominal cavity endoscope lens. The middle hole of the annularwater spraying disc 172 is internally provided with a secondwaterproof gasket 174, the secondwaterproof gasket 174 is provided with a second gasket scratching part, and the secondwaterproof gasket 174 is arranged, so that the lens of the abdominal cavity endoscope can conveniently enter theflushing cavity 131, and the water flow during cleaning the lens of the abdominal cavity endoscope can be reduced to flow downwards through the middle hole of the annularwater spraying disc 172.

Thewater delivery channel 101 is a water inlet and outlet pipeline, which is installed on the outer side surface of thewashing part housing 120 and is communicated with thewater storage cavity 151. Because thewater storage cavity 151 is located below theflushing cavity 131, the water inlet and outlet pipeline can be used for filling water into thewater storage cavity 151, and the water inlet and outlet pipeline can be connected with an injector to pump out water in thewater storage cavity 151.

Thesupporter 171 is a downwardly concave structure, and an upper portion of thesupporter 171 is connected to a top wall of the flushingpart housing 120. The top wall of the supportingmember 171 and the top wall of thewashing part casing 120 enclose to form a containingcavity 141, and the containingcavity 141 is used for placing thesponge body 160.

The annularwater spray disc 172 comprises aninner ring portion 1721, amiddle disc portion 1722 and anouter ring portion 1723 which are sequentially connected from inside to outside, themiddle disc portion 1722 is of a structure with a downward concave section, and all the flushing holes 133 are formed in themiddle disc portion 1722; the outer peripheral surface of theouter ring 1723 is connected to the side wall of the flushingpart housing 120. Theintermediate tray body 1722 is constructed to facilitate the flow of water into thewater storage chamber 151 through the flushing holes 133 after the flow of water is converged in theintermediate tray body 1722.

The central axis of theinner ring portion 1721 is collinear with the central axis of thetop opening 121, and the central axis of theinner ring portion 1721 passes through the center point of the second gasket scribed portion. This configuration facilitates passage of the laparoscope lens through the secondwaterproof gasket 174 and into thewash chamber 131.

All the flushing holes 133 are uniformly arranged along the circumferential direction of themiddle disc body 1722, and the central axes of the flushing holes 133 are obliquely arranged relative to the central axis of thetop opening 121; in each of the flushing holes 133, an upper end of theflushing hole 133 is closer to a central axis of thetop opening 121 than a lower end of theflushing hole 133. With the structure, after water in thewater storage cavity 151 passes through all the flushing holes 133, water flow is sprayed to the center of theflushing cavity 131, and then the abdominal cavity endoscope lens can be flushed clean by the water flow. The number of the flushing holes 133 is 4-6, and in the present embodiment, the number of the flushing holes 133 is 6.

Example 2

As shown in fig. 10 to 13, the present embodiment is different from embodiment 1 in that an annular sleeve 181 is provided inside the flushing part housing 120, and a central axis of the annular sleeve 181 is collinear with a central axis of the top opening 121; the upper end of the annular sleeve 181 is connected with the top wall of the flushing part shell 120, and the lower end of the annular sleeve 181 is connected with the bottom wall of the flushing part shell 120; a water storage cavity 152 is formed between the outer side surface of the annular sleeve 181 and the side wall of the washing part shell 120; a sponge part cover body 182 is further arranged inside the washing part shell 120, the sponge part cover body 182 is of an upwards sunken concave structure, the sponge part cover body 182 is positioned inside the annular sleeve 181, the bottom opening 124 is covered by the sponge part cover body 182, the sponge part cover body 182 is connected with the bottom wall of the washing part shell 120, the concave structure is an accommodating cavity 142, and the communication port 136 is formed in the top of the sponge part cover body 182; a washing cavity 132 is formed between the inner side surface of the annular sleeve 181 and the sponge part cover body 182; a plurality of flushing holes 134 are arranged on the annular sleeve 181; be equipped with third prevention water gasket 183 between the top surface of cavernosum 160 and the roof that holds chamber 142, be equipped with the third gasket portion of drawing on the third prevention water gasket 183. The thirdwaterproof gasket 183 has the same structure as the firstwaterproof gasket 122.

When the lens of the abdominal cavity endoscope needs to be cleaned, the lens of the abdominal cavity endoscope moves upwards to pass through thebottom opening 124, and then enters theflushing cavity 132 after passing through the sponge piece cut-outpart 161 of thesponge body 160 and the third gasket cut-out part of the thirdwaterproof gasket 183; after warm saline water in thewater delivery channel 102 is filled into thewater storage cavity 152, the warm saline water is sprayed into theflushing cavity 132 through theflushing hole 134, and the warm saline water flushes the endoscope lens in the abdominal cavity; after the abdominal cavity endoscope lens is washed, the abdominal cavity endoscope lens is moved downwards to theaccommodating cavity 142, after the abdominal cavity endoscope lens rotates in the sponge layer in theaccommodating cavity 142 for a moment, water drops on the abdominal cavity endoscope lens are wiped off, and then the abdominal cavity endoscope lens is cleaned and wiped in the puncture outfit. Be equipped with thirdwaterproof gasket 183 between the top surface ofcavernosum 160 and the roof that holdschamber 142, be equipped with the third gasket on the thirdwaterproof gasket 183 and draw the oral area, the setting of secondwaterproof gasket 174, the laparoscopic lens of being convenient for gets into and washeschamber 132, and the rivers that also can reduce when wasing the laparoscopic lens of abdominal cavity flow out downwards through secondwaterproof gasket 174.

Thewater delivery passage 102 comprises awater injection pipeline 1021, a firstwater discharge port 1022 and a secondwater discharge port 1023, thewater injection pipeline 1021 is arranged on the outer side surface of thewashing part shell 120, and thewater injection pipeline 1021 is communicated with thewater storage cavity 152; thefirst drain port 1022 is disposed on the outer side surface of the flushingpart housing 120, and thesecond drain port 1023 is disposed on theannular sleeve 181; thefirst water outlet 1022 and thesecond water outlet 1023 are both provided with pluggingsilica gel 1024; thefirst drain port 1022 and thesecond drain port 1023 are coaxially arranged, and thewater injection pipe 1021 is positioned above thefirst drain port 1022. Saline enters thewater storage cavity 152 through thewater injection pipeline 1021, the saline in thewater storage cavity 152 flows into thewashing cavity 132 through thewashing hole 134, and the saline washes the abdominal cavity endoscope lens in thewashing cavity 132; after the flushing is completed, the syringe passes through the blockingsilicone 1024 on thefirst water outlet 1022 and the blockingsilicone 1024 on thesecond water outlet 1023 in sequence, and the saline accumulated at the bottom of theflushing cavity 132 is pumped out of theflushing cavity 132. All the flushing holes 134 are uniformly arranged along the circumferential direction of theannular sleeve 181, and the number of the flushing holes 134 is 4-6, in this embodiment, the number of the flushing holes 134 is 6. A one-way valve is arranged on thewater injection pipeline 1021.

The puncture outfit for the laparoscopic surgery can quickly clean the lens of an endoscope in an abdominal cavity, and the puncture process is visualized.

In conclusion, the present invention effectively overcomes various disadvantages in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. A puncture instrument for laparoscopic surgery, comprising: a puncture cannula (100) and a puncture cone (200); a puncture cannula (100), wherein the puncture cannula (100) comprises a cannula body (110) and a flushing component arranged at the top of the cannula body (110), the cannula body (110) is provided with a hollow pipeline (111), and the hollow pipeline (111) is used for inserting the puncture cone (200); the washing assembly comprises a washing part shell (120), a top opening (121) is formed in the top wall of the inside of the washing part shell (120), a first waterproof gasket (122) is arranged on the top opening (121), and a first gasket scratching part (123) is formed in the first waterproof gasket (122); a bottom opening (124) is arranged on the bottom wall of the inner part of the washing part shell (120); a washing cavity (131, 132), an accommodating cavity (141, 142) and a water storage cavity (151, 152) are arranged in the washing part shell (120); the flushing cavity (131, 132) is positioned between the containing cavity (141, 142) and the water storage cavity (151, 152); communication ports (135, 136) are formed in the flushing cavities (131, 132), and the flushing cavities (131, 132) are communicated with the accommodating cavities (141, 142) through the communication ports (135, 136); the containing cavities (141, 142) are filled with sponges (160), and sponge piece cut-out parts (161) are arranged on the sponges (160); the flushing cavities (131, 132) are also provided with a plurality of flushing holes (133, 134), and the flushing cavities (131, 132) are communicated with the water storage cavities (151, 152) through all the flushing holes (133, 134); the water storage cavity (151, 152) is communicated with the outside of the flushing part shell (120) through a water conveying channel (101, 102);

the piercing cone (200) comprises a cone barrel (210), the cone barrel (210) having a central through hole; the lower end of the cone barrel (210) is provided with a cone head (220), the cone head (220) is made of transparent materials, a hollow cavity is arranged inside the cone head (220), the hollow cavity is communicated with the middle through hole, and a camera (230) is arranged inside the hollow cavity; the upper end of the cone part cylinder body (210) is provided with a cone part shell (240), a display screen (241), a controller (242) and a trigger switch (243) are installed inside the cone part shell (240), the display screen (241), the trigger switch (243) and the camera (230) are all connected with the controller (242), and the bottom surface of the trigger switch (243) is located below the bottom surface of the cone part shell (240).

2. The puncture instrument for laparoscopic surgery according to claim 1, wherein: the central axis of bottom opening (124) with the central axis collineation of top opening (121), the central axis of bottom opening (124) with the central axis collineation of sleeve pipe body (110), the central axis of bottom opening (124) passes through the central point of first gasket breach portion (123).

3. The puncture instrument for laparoscopic surgery according to claim 2, wherein: a support (171) and an annular water spraying disc (172) are arranged inside the washing part shell (120), the support (171) is positioned above the annular water spraying disc (172), and the support (171) and the annular water spraying disc (172) divide the inside of the washing part shell (120) into the accommodating cavity (141), the washing cavity (131) and the water storage cavity (151) from top to bottom; the inside of the washing part shell (120) is also provided with an annular adapting piece (173), the annular adapting piece (173) is arranged between the annular water spraying disc (172) and the bottom surface of the washing part shell (120), and the water storage cavity (151) forms an annular cavity; the upper surface of the annular water spraying disc (172) is provided with the flushing hole (133), and the communication port (135) is positioned at the bottom of the support member (171); a second waterproof gasket (174) is arranged in a middle hole channel of the annular water spraying disc (172), and a second gasket scratching part is arranged on the second waterproof gasket (174).

4. The puncture instrument for laparoscopic surgery according to claim 3, wherein: the water delivery channel (101) is a water inlet and outlet pipeline, the water inlet and outlet pipeline is arranged on the outer side surface of the washing part shell (120), and the water inlet and outlet pipeline is communicated with the water storage cavity (151).

5. The puncture instrument for laparoscopic surgery according to claim 3, wherein: the supporter (171) is a downwardly concave structure, and an upper portion of the supporter (171) is connected to a top wall of the flushing part housing (120).

6. The puncture instrument for laparoscopic surgery according to claim 3, wherein: the annular water spraying disc (172) comprises an inner ring part (1721), a middle disc body (1722) and an outer ring part (1723) which are sequentially connected from inside to outside, the middle disc body (1722) is of a downward concave structure, and all the flushing holes (133) are formed in the middle disc body (1722); the outer circumferential surface of the outer ring portion (1723) is connected with the side wall of the flushing portion housing (120).

7. The puncture instrument for laparoscopic surgery according to claim 6, wherein: a central axis of the inner ring portion (1721) is collinear with a central axis of the top opening (121), the central axis of the inner ring portion (1721) passes through a center point of the second gasket cut portion.

8. The puncture instrument for laparoscopic surgery according to claim 6, wherein: all the flushing holes (133) are uniformly arranged along the circumferential direction of the middle disc body (1722), and the central axes of the flushing holes (133) are obliquely arranged relative to the central axis of the top opening (121); in each of the flushing holes (133), an upper end of the flushing hole (133) is closer to a central axis of the top opening (121) than a lower end of the flushing hole (133).

9. The puncture instrument for laparoscopic surgery according to claim 2, wherein: an annular sleeve (181) is arranged inside the washing part shell (120), and the central axis of the annular sleeve (181) is collinear with the central axis of the top opening (121); the upper end of the annular sleeve (181) is connected with the top wall of the washing part shell (120), and the lower end of the annular sleeve (181) is connected with the bottom wall of the washing part shell (120); the water storage cavity (152) is formed between the outer side surface of the annular sleeve (181) and the side wall of the washing part shell (120); a sponge part cover body (182) is further arranged inside the washing part shell (120), the sponge part cover body (182) is of an upwards-sunken concave structure, the sponge part cover body (182) is located inside the annular sleeve (181), the sponge part cover body (182) covers the bottom opening (124), the sponge part cover body (182) is connected with the bottom wall of the washing part shell (120), the concave structure is the accommodating cavity (142), and the communication port (136) is formed in the top of the sponge part cover body (182); the flushing cavity (132) is formed between the inner side surface of the annular sleeve (181) and the sponge part cover body (182); a plurality of flushing holes (134) are formed in the annular sleeve (181); the top surface of cavernosum (160) with hold between the roof of chamber (142) and be equipped with third waterproof gasket (183), be equipped with the third gasket on third waterproof gasket (183) and draw the oral area.

10. The puncture instrument for laparoscopic surgery according to claim 9, wherein: the water delivery channel (102) comprises a water injection pipeline (1021), a first water discharge port (1022) and a second water discharge port (1023), the water injection pipeline (1021) is arranged on the outer side surface of the washing part shell (120), and the water injection pipeline (1021) is communicated with the water storage cavity (152); the first drain port (1022) is disposed on an outer side surface of the flushing part housing (120), and the second drain port (1023) is disposed on the annular sleeve (181); the first water outlet (1022) and the second water outlet (1023) are both provided with plugging silica gel (1024); the first water discharging opening (1022) and the second water discharging opening (1023) are coaxially arranged, and the water injection pipeline (1021) is located above the first water discharging opening (1022).

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