CN210301159U - Laparoscope puncture stitching instrument - Google Patents

Abstract

The utility model relates to a laparoscope puncture stitching instrument, which consists of a stitching instrument, a puncture instrument conduit and a suture instrument; the method is characterized in that: the stitching instrument is inserted into the puncture instrument conduit, the puncture head of the stitching instrument penetrates out of the end head of the puncture instrument conduit, the positioning plate fixed on the instrument body of the stitching instrument is clamped on the other end of the puncture instrument conduit, and the needle tube of the stitching instrument is inserted into the puncture instrument conduit from the grooves formed on the two sides of the positioning plate and penetrates out of the guide hole formed in the instrument body of the stitching instrument. When the suture is clamped in the positioning rod, the unfolding wing is opened, the suture is fixed, then the suture instrument is inserted to the bottom through the body guide hole of the suture instrument, the push rod is pressed to push out the suture hooking needle, the push rod is released after the suture hooking needle is pressed to the bottom, the suture hooking needle is led with the suture to enter the punctured needle tube, and the suture can be led out after the suture instrument is pulled out. The utility model discloses it is succinct to have the structure, when not increasing the operation degree of difficulty, replaces two kinds of apparatus of puncture ware and manadesma closure ware with peritoneoscope puncture stitching instrument and accomplishes the same work, simplifies the operation process.

Description

Laparoscope puncture stitching instrument

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to integrative utensil is sewed up concurrently in peritoneoscope puncture that laparoscopic surgery used.

Background

In recent years, minimally invasive surgery, which has the advantages of small wound, quick recovery, high cure rate and the like, has been developed rapidly, and laparoscopic surgery, which is representative of minimally invasive surgery, is widely used in the field of surgical operations, involving many kinds of diseases and operations. The laparoscopic surgery involves the processes of minimally invasive puncture, artificial pneumoperitoneum laparoscope placement, incision suture and the like, and various surgical instruments are used in different processes, such as minimally invasive puncture by a puncture outfit, incision suture by an anadesma closer and tedious appliance conversion process.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: an instrument with a simple structure is designed, the laparoscopic puncture stitching instrument is used for replacing a puncture instrument and an aponeurosis closer to complete the same work without increasing the operation difficulty, and the operation process is simplified.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the laparoscope puncture stitching instrument consists of a stitching instrument, a puncture instrument catheter and a suture instrument; the stitching instrument is inserted into the puncture instrument conduit, the puncture head of the stitching instrument penetrates out of the end head of the puncture instrument conduit, the positioning plate fixed on the instrument body of the stitching instrument is clamped on the other end of the puncture instrument conduit, and the needle tube of the stitching instrument is inserted into the puncture instrument conduit from the grooves formed on the two sides of the positioning plate and penetrates out of the guide hole formed in the instrument body of the stitching instrument.

The puncture outfit conduit is provided with an inflation tube, and the inflation tube is provided with an inflation valve.

The stitching instrument comprises an instrument body, a unfolding wing, a positioning rod, a puncture head, a driving device and a positioning plate, wherein the positioning plate is fixed on the instrument body, the surface of the instrument body is provided with a sliding groove, and the driving device is embedded in the sliding groove; one end of the positioning rod is fixed with the driving device, and an oval boss with a notch is fixed in the middle of the positioning rod and used for clamping a wire; the tail end of the positioning rod is provided with a boss, one side of the boss is fixed with the unfolding wing, the other side of the boss is provided with a buckle structure, the buckle structure is just in close fit with the puncture head provided with the U-shaped groove and can be pulled and inserted, and guide holes are respectively arranged on two sides of the device body; the tail end of the body is inserted into the head end of the unfolding wing, and is tightly matched and fixed with the unfolding wing; the driving device slides in the sliding groove and controls the positioning rod to drive the unfolding wing to unfold and retract.

The suture device consists of a needle tube, a needle handle, a spring and a push rod, wherein the needle is fixedly connected with the push rod, the needle tube is fixedly connected with the needle handle, the front end of the push rod is inserted into the hollow needle handle, and the needle is just inserted into the needle tube; the push rod and the needle handle are separated by a spring so that the push rod can automatically rebound after being pushed forward.

The tail end of the needle is provided with an inverted hook structure, so that the needle can be conveniently pulled out to hook a suture; the needle can freely stretch and retract relative to the needle tube under the action of the spring.

The diameter of the body is 8-20 mm.

The outer diameter of the needle tube is 1.5-5 mm.

The puncture head and the positioning rod are connected into a dovetail shape, a spherical shape, an oval shape, a trapezoid shape, a square shape or a polygon shape.

When the needle tube is used, the unfolding wing is opened when the suture is clamped in the positioning rod, the suture is fixed, then the suture instrument is inserted to the bottom through the body guide hole of the suture instrument, the push rod is pressed to push out the suture hooking needle, the push rod is released after the suture hooking needle is pressed to the bottom, the suture hooking needle drives the suture to enter the punctured needle tube, and the suture can be taken out after the suture instrument is pulled out.

The utility model discloses it is succinct to have the structure, when not increasing the operation degree of difficulty, replaces two kinds of apparatus of puncture ware and manadesma closure ware with peritoneoscope puncture stitching instrument and accomplishes the same work, simplifies the operation process.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an explosion diagram of the present invention.

Fig. 3 is a schematic partial cross-sectional view of the present invention.

FIG. 4a is a schematic view of the suture device of the present invention showing the closing of the deployment wings when pushed down by the driving means.

Fig. 4b is a schematic view of the deployment wing of the stapler drive device of the present invention when pushed up.

Fig. 5 is an enlarged schematic view of the needle barb thread hooking details of the suture instrument of the utility model.

Fig. 6 is a schematic view of the usage steps of the present invention.

Fig. 7a, 7b, 7c, 7d, and 7e are schematic views of the connection between the puncture head and the positioning rod according to the present invention.

Detailed Description

The invention is further described with reference to the accompanying drawings. The components of the utility model, which are not described in particular, are all the existing structures.

As shown in fig. 1, 2 and 3, the utility model comprises asuture instrument 100, apuncture device catheter 200 and asuture instrument 300; thesuturing device 100 is inserted into thepuncture device conduit 200, thepuncture head 4 of thesuturing device 100 penetrates out of the end of thepuncture device conduit 200, thepositioning plate 13 fixed on thebody 11 of the suturing device 400 is clamped on the other end of thepuncture device conduit 200, and theneedle tube 7 of thesuturing device 300 is inserted into thepuncture device conduit 200 from the grooves arranged on the two sides of thepositioning plate 13 and penetrates out of the guide hole arranged on thebody 11 of thesuturing device 100. Thepuncture outfit conduit 200 is provided with aninflation tube 2, and theinflation tube 2 is provided with aninflation valve 3; theinflation tube 2 is connected with the air pressure source to inflate the abdominal cavity, and theinflation valve 3 is connected with theinflation tube 2 and is used for adjusting the air flow. Thesuturing device 100 comprises adevice body 11, adeployment wing 10, apositioning rod 5, apuncture head 4, adriving device 12 and apositioning plate 13, wherein thepositioning plate 13 is fixed on thedevice body 11, a sliding groove is formed in the surface of thedevice body 11, thedriving device 12 is embedded in the sliding groove, and the diameter of the device body is 12 mm; one end of thepositioning rod 5 is fixed with thedriving device 12, and an oval boss with a notch is fixed in the middle of thepositioning rod 5 and used for clamping a wire; the tail end of thepositioning rod 5 is provided with a boss, one side of the boss is fixed with theunfolding wing 10, the other side of the boss is provided with a buckle structure, the buckle structure is just in close fit with thepuncture head 4 provided with a U-shaped groove, certainly, thepuncture head 4 is provided with a groove as shown in fig. 7a, 7b, 7c, 7d and 7e, the boss arranged at the tail end of thecorresponding positioning rod 5 is correspondingly changed and is in close fit with the groove of thepuncture head 4, the insertion and extraction can be carried out, and guide holes are respectively arranged at two sides of thebody 11; the tail end of thebody 11 is inserted into the head end of theunfolding wing 10 and is tightly matched and fixed with theunfolding wing 10; thedriving device 12 slides in the sliding chute to control thepositioning rod 5 to drive theunfolding wing 10 to unfold and retract; as shown in fig. 4a and 4 b. Thesuture device 300 comprises aneedle tube 7, aneedle 6, aneedle handle 8, a spring and a push rod 9, wherein theneedle 6 is fixedly connected with the push rod 9, theneedle tube 7 is fixedly connected with theneedle handle 8, the outer diameter of the needle tube is 2 mm, the front end of the push rod 9 is inserted into thehollow needle handle 8, and theneedle 6 is just inserted into theneedle tube 7; the push rod 9 and theneedle handle 8 are separated by a spring so as to be convenient for the push rod to automatically rebound after being pushed forwards. The tail end of theneedle 6 is designed with an inverted hook structure, so that the needle can be conveniently pulled out to hook a suture, as shown in fig. 5; theneedle 6 can freely extend and retract relative to theneedle tube 7 under the action of the spring.

The utility model discloses an effect throughpuncture head 4 at the front end of the stitching instrument imbedspuncture ware pipe 200 in the operation wound, as shown in figure 6 step ①, then take out the stitching instrument, leave to use puncture ware pipe as the operation passageway and carry out the operation, as shown in figure 6step ② after the operation is accomplished, take out the puncture ware pipe, take off the puncture head at the front end of the stitching instrument as shown in figure 6step ③, get the suture and arrange along the suture groove, then insert the stitching instrument body in the operation wound, ensure to expand wing upper end and pass through the rete completely, push up the drive device on the stitching instrument first, make the locating lever drive and expand the wing, the suture is like the state that step ④ in figure 6 shows at this moment, then insert the needle of suture along the needle of body, promote the push rod of needle handle front end, make the overhead hook in the needle catch the suture, unclamp the push rod this moment, drive the needle of drive suture in the needle withdrawal needle of suture needle, take out the suture ware as shown in figure 6step ⑤, from the guide hole of the opposite side of the body, insert the suture with the same method, draw the suture device and move down the drive device, and push back and open the suture, and can be shown in thestep ⑥.

Claims (7)

1. The laparoscope puncture stitching instrument consists of a stitching instrument, a puncture instrument catheter and a suture instrument; the method is characterized in that: the stitching instrument is inserted into the puncture instrument conduit, the puncture head of the stitching instrument penetrates out of the end head of the puncture instrument conduit, the positioning plate fixed on the instrument body of the stitching instrument is clamped on the other end of the puncture instrument conduit, and the needle tube of the stitching instrument is inserted into the puncture instrument conduit from the grooves formed on the two sides of the positioning plate and penetrates out of the guide hole formed in the instrument body of the stitching instrument.

2. The laparoscopic puncture stapler of claim 1, wherein: the stitching instrument comprises an instrument body, a unfolding wing, a positioning rod, a puncture head, a driving device and a positioning plate, wherein the positioning plate is fixed on the instrument body, the surface of the instrument body is provided with a sliding groove, and the driving device is embedded in the sliding groove; one end of the positioning rod is fixed with the driving device, and an oval boss with a notch is fixed in the middle of the positioning rod and used for clamping a wire; the tail end of the positioning rod is provided with a boss, one side of the boss is fixed with the unfolding wing, the other side of the boss is provided with a buckle structure, the buckle structure is just in close fit with the puncture head provided with the U-shaped groove and can be pulled and inserted, and guide holes are respectively arranged on two sides of the device body; the tail end of the body is inserted into the head end of the unfolding wing, and is tightly matched and fixed with the unfolding wing; the driving device slides in the sliding groove and controls the positioning rod to drive the unfolding wing to unfold and retract.

3. The laparoscopic puncture stapler according to claim 1 or 2, wherein: the suture device consists of a needle tube, a needle handle, a spring and a push rod, wherein the needle is fixedly connected with the push rod, the needle tube is fixedly connected with the needle handle, the front end of the push rod is inserted into the hollow needle handle, and the needle is just inserted into the needle tube; the push rod is separated from the needle handle by a spring.

4. The laparoscopic puncture stapler of claim 3, wherein: the tail end of the needle is designed with a barb structure.

5. The laparoscopic puncture stapler of claim 3, wherein: the diameter of the body is 8-20 mm.

6. The laparoscopic puncture stapler of claim 3, wherein: the outer diameter of the needle tube is 1.5-5 mm.

7. The laparoscopic puncture stapler of claim 3, wherein: the puncture head and the positioning rod are connected in a dovetail shape, a spherical shape, an oval shape, a trapezoid shape or a square shape.

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