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CN110368065B - Spray pressure adjusting instrument - Google Patents

Spray pressure adjusting instrument
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Publication number
CN110368065B
CN110368065BCN201910619135.9ACN201910619135ACN110368065BCN 110368065 BCN110368065 BCN 110368065BCN 201910619135 ACN201910619135 ACN 201910619135ACN 110368065 BCN110368065 BCN 110368065B
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China
Prior art keywords
hole
spray
pressure
liquid
spray hole
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CN201910619135.9A
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CN110368065A (en
Inventor
吴衍
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Huizhou Hydro Caresys Medical Co ltd
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Huizhou Hydro Caresys Medical Co ltd
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Priority to CN201910619135.9ApriorityCriticalpatent/CN110368065B/en
Publication of CN110368065ApublicationCriticalpatent/CN110368065A/en
Priority to PCT/CN2019/123435prioritypatent/WO2021003989A1/en
Application grantedgrantedCritical
Publication of CN110368065BpublicationCriticalpatent/CN110368065B/en
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Abstract

The invention relates to the technical field of medical equipment, in particular to a spray pressure adjusting instrument which comprises a high-pressure pipe for flowing liquid and an adjusting piece for adjusting the spray form and pressure of the liquid, wherein one end of the high-pressure pipe is provided with a first spray hole for spraying the liquid from the high-pressure pipe, the adjusting piece comprises a rotating shaft part and a shaping part, the rotating shaft part is arranged on one side of the high-pressure pipe, the shaping part is provided with a second spray hole and is not limited to one, and the shaping part can rotate along the circumferential direction of the rotating shaft part and/or move along the axial direction through the rotating shaft part so as to adjust the relative position of the second spray hole and the first spray hole. The invention can adjust the distance between the second spray hole and the first spray hole through the rotating shaft part and axially moving along the rotating shaft part by arranging the adjusting part, in addition, the second spray hole can also change the relative position of the axis of the second spray hole and the axis of the first spray hole through the rotation of the rotating shaft part relative to the high-pressure pipe, so that the liquid with different divergence angles and ejection pressures can be ejected from the second spray hole.

Description

Spray pressure adjusting instrument
Technical Field
The invention relates to the technical field of medical instruments, in particular to a spray pressure adjusting instrument.
Background
In the prior art, when selective tissue separation is performed in an operation of utilizing liquid pressure separation, after liquid is pressurized, the liquid is sprayed through a nozzle to form high-speed liquid jet flow, the high-speed jet flow encounters obstruction to generate jet pressure, and meanwhile, the human tissue can be selectively stripped by utilizing the characteristic that different human tissues have different intensities.
The prior art has problems in that the jet pressure cannot be adjusted according to the actual situation, and the jet distance of the jet stream with cutting capability is controlled at the same time, so that the high-pressure jet stream separates the tissue to be separated during the tissue separation, and meanwhile, unnecessary cutting or separation is formed on the intrinsic myolayer in the jet direction, so that perforation of the intrinsic myolayer is generated, good tissue is separated or excised, a new wound is formed, dangerous internal bleeding is generated, and the bleeding can obstruct the observation of a surgeon in the operation process, thereby leading to the increase of the dangerous coefficient of the operation.
Disclosure of Invention
The invention aims to provide a spray pressure adjusting device which can adjust the spray pressure of spray flow so as to select proper spray pressure according to different tissues and avoid the problem of perforation of muscle layers caused by the spray flow.
In order to achieve the above-mentioned object, the present invention provides a spray pressure adjusting apparatus, including a high-pressure pipe for flowing a liquid and an adjusting member for adjusting a spray form and a pressure of the liquid, wherein one end of the high-pressure pipe is provided with a first spray hole for spraying the liquid from the high-pressure pipe, the adjusting member includes a rotating shaft portion and a shaping portion, the rotating shaft portion is disposed at one side of the high-pressure pipe, the shaping portion is provided with a second spray hole and is not limited to one, and the shaping portion can rotate and/or move in an axial direction along a circumferential direction of the rotating shaft portion through the rotating shaft portion for adjusting a relative position of the second spray hole and the first spray hole.
Optionally, the second nozzle hole includes a diverging portion, and an axial cross section of the diverging portion is horn-shaped or bidirectional horn-shaped.
Optionally, an included angle R between the inner side wall of the diverging portion and the axis of the second nozzle is 0-80 °.
Optionally, the second nozzle hole includes a reflecting portion, and an inner sidewall of the reflecting portion extends along an axial direction of the second nozzle hole.
Optionally, the diameter D of the reflecting portion is 0.01 to 10mm.
Optionally, the distance L between the end of the second spray hole close to the first spray hole and the first spray hole is 0-50 mm.
Optionally, the device further comprises a supporting frame, wherein the supporting frame is respectively provided with a first sleeve hole and a second sleeve hole, the high-pressure pipe is sleeved and fixed in the first sleeve hole, and the adjusting piece is sleeved and arranged in the second sleeve hole.
Optionally, the device further comprises a camera assembly for observing the working environment, and the camera assembly is connected to the adjusting piece.
Optionally, the adjusting part is provided with a moving hole, and the camera shooting assembly is arranged in the moving hole and can move along the axial direction of the moving hole.
Optionally, the camera assembly includes a camera and a light source.
The embodiment of the invention has the following technical effects:
When the invention is used, liquid is sprayed from the first spray hole of the high-pressure pipe to form a liquid high-pressure spray ray, in order to adjust the shape and pressure of the liquid sprayed from the high-pressure spray ray, the invention sets the second spray hole corresponding to the first spray hole by arranging the adjusting piece, so that the liquid is sprayed from the first spray hole and enters the second spray hole, the second spray hole can move along the axial direction of the rotating shaft part to adjust the distance between the second spray hole and the first spray hole through the rotating shaft part, the divergence angle and the spraying pressure of the liquid sprayed from the second spray hole are adjusted, and the second spray hole can also rotate relative to the high-pressure pipe through the rotating shaft part to change the relative position of the axis of the second spray hole and the axis of the first spray hole, so that the liquid which diverges after being sprayed from the first spray hole is reflected at different positions on the inner side wall of the first spray hole to form different divergence angles and spraying pressures, and the liquid is sprayed from the second spray hole.
In addition, since the second nozzle hole of the present invention is not limited to one, when there are a plurality of second nozzle holes, the shaping portion is rotated in the circumferential direction and/or moved in the axial direction of the rotating shaft portion, so that different second nozzle holes correspond to the first nozzle holes, and the injection pressure and angle of the injected liquid are changed.
Drawings
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a preferred embodiment of the present invention;
FIG. 4 is another partial cross-sectional view of the adjustment member of the preferred embodiment of the present invention after axial movement;
fig. 5 is another partial cross-sectional view of the preferred embodiment of the present invention after the adjustment member has been rotated.
Reference numerals illustrate:
1. The high-pressure pipe, 11, a first spray hole, 2, an adjusting piece, 21, a rotating shaft part, 22, a shaping part, 23, a second spray hole, 231, a diverging part, 232, a reflecting part, 24, a moving hole, 3, a supporting frame, 31, a first sleeve hole, 32, a second sleeve hole, 4 and an imaging assembly.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Referring to fig. 1 to 5, the present embodiment provides a spray pressure adjusting apparatus, which includes a high pressure pipe 1 for flowing liquid and an adjusting member 2 for adjusting the spray form and pressure of the liquid, wherein one end of the high pressure pipe 1 is provided with a first spray hole 11 for spraying the liquid from the high pressure pipe 1, the adjusting member 2 includes a rotating shaft portion 21 and a shaping portion 22, the rotating shaft portion 21 is disposed at one side of the high pressure pipe 1, the shaping portion 22 is provided with a second spray hole 23 and is not limited to one, and the shaping portion 22 can rotate along the circumferential direction of the rotating shaft portion 21 and/or move along the axial direction through the rotating shaft portion 21 for adjusting the relative position of the second spray hole 23 and the first spray hole 11.
When the invention is used, liquid is sprayed from the first spray hole 11 of the high-pressure pipe 1 to form a liquid high-pressure spray ray, the high-pressure spray liquid sprayed from the first spray hole 11 acts outwards due to the internal force of the high-pressure spray liquid, so that the high-pressure spray liquid is in a divergent shape, and in order to adjust the shape and the pressure of the sprayed high-pressure spray liquid, the adjusting piece 2 is provided with the second spray hole 23 corresponding to the first spray hole 11, so that the liquid is sprayed from the first spray hole 11 and enters the second spray hole 23, the second spray hole 23 can move along the axial direction of the rotating shaft part 21 to adjust the distance from the first spray hole 11 through the rotating shaft part 21, the divergent angle and the spray pressure of the liquid sprayed from the second spray hole 23 can be adjusted, and the second spray hole 23 can also rotate relative to the high-pressure pipe 1 through the rotating shaft part 21 to change the relative position of the axis of the second spray hole 23, so that the liquid which diverges after being sprayed from the first spray hole 11 is hit at different positions of the first spray hole 11 to reflect the liquid with different divergent angles and the spray pressures from the second spray hole 23.
In addition, since the second nozzle hole 23 of the present invention is not limited to one, when there are a plurality of second nozzle holes 23, the shaping portion 22 is rotated in the circumferential direction and/or moved in the axial direction of the rotation shaft portion 21, so that different second nozzle holes 23 correspond to the first nozzle holes 11, thereby changing the ejection pressure and angle of the ejected liquid.
Referring to fig. 3, in the present embodiment, the second nozzle hole 23 includes a diverging portion 231, and the axial cross-section of the diverging portion 231 is in a horn shape or a bidirectional horn shape, and in the present embodiment, the diverging portion 231 is in a horn shape, which helps to expand the divergence angle of the liquid emitted from the second nozzle hole 23 and quickly reduce the emission pressure of the liquid.
Specifically, the included angle R between the inner side wall of the diverging portion 231 and the axis of the second nozzle 23 is 0-80 °, in this embodiment, the included angle R is 15 °, so that when the liquid ejected from the first nozzle 11 enters the second nozzle 23 and is ejected from the second nozzle 23, the diverging portion has a good diverging angle, and is suitable for the liquid action area required by most working scenarios.
Referring to fig. 4, further, the second nozzle hole 23 includes a reflecting portion 232, so that the liquid ejected from the first nozzle hole 11 is reflected on the inner sidewall of the reflecting portion 232, on one hand, the ejection path of the liquid is changed, so as to change the divergence angle of the whole liquid ejected from the second nozzle hole 23, on the other hand, the ejection pressure of the liquid is changed by the impact, specifically, the inner sidewall of the reflecting portion 232 extends along the axial direction of the second nozzle hole 23, so that the liquid path ejected from the first nozzle hole 11 forms a certain included angle with the inner sidewall of the second nozzle hole 23, thereby increasing the quantity of the liquid reflected by the inner sidewall of the second nozzle hole 23, and further increasing the capability of reducing the ejection pressure of the liquid;
Referring to fig. 5, in which the rotation of the rotating shaft 21 changes the relative positions of the first nozzle hole 11 and the second nozzle hole 23, so that the first nozzle hole 11 and the second nozzle hole 23 are eccentrically arranged, and the liquid ejected from the first nozzle hole 11 impinges on different positions of the reflecting portion 232 of the second nozzle hole 23, so as to realize more various liquid ejecting modes of the second nozzle hole 23, preferably, the rotating angle of the rotating shaft 21 in this embodiment is 0 to 360 °.
Referring to fig. 2, wherein the diameter D of the reflecting portion 232 is 0.01 to 10mm, the liquid ejected from the first nozzle hole 11 is limited to 0.01 to 10mm when directly entering the second nozzle hole 23 based on the range of the diameter D, thereby controlling the divergence angle and pressure formed after the liquid is ejected from the second nozzle hole 23.
Further, the distance L between the end of the second nozzle 23 near the first nozzle 11 and the first nozzle 11 is 0-50 mm, the second nozzle 23 moves axially relative to the high pressure tube 1 through the rotating shaft portion 21, the moving distance L is 0-50 mm, when the liquid is ejected from the first nozzle 11 by adjusting the distance between the second nozzle 23 and the first nozzle 11, the divergence angle of the ejected liquid increases with distance from the first nozzle 11, that is, with different distances between the second nozzle 23 and the first nozzle 11, the divergence angle of the liquid ejected from the first nozzle 11 into the second nozzle 23 is different, so that the divergence angle and the ejection pressure of the liquid ejected from the second nozzle 23 are changed, and based on the distance L, the divergence angle and the ejection pressure of the liquid ejected from the second nozzle 23 in this embodiment are suitable for most working environments.
Referring to fig. 1 and 2, in order to improve the stability of the installation of the adjusting member 2 and the high-pressure tube 1, the embodiment further includes a supporting frame 3, where the supporting frame 3 is provided with a first sleeve hole 31 and a second sleeve hole 32, respectively, so that the high-pressure tube 1 is sleeved and fixed in the first sleeve hole 31, and the adjusting member 2 is sleeved and fixed in the second sleeve hole 32, which is helpful to fix the radial distance between the adjusting member 2 and the high-pressure tube 1, and improve the stability of adjusting the relative positions of the first spray hole 11 and the second spray hole 23.
Further, still including being used for observing operational environment's subassembly 4 of making a video recording, make a video recording 4 install in adjusting part 2, on the one hand, conveniently observe the operational environment of this apparatus during operation, on the other hand, can be used to observe the form of spun liquid and the visual of working process, be convenient for realize this apparatus and be in the application of accurate surgical field.
Specifically, in order to facilitate the movement and stability of the camera assembly 4, the adjusting member 2 is provided with a moving hole 24, and the camera assembly 4 is disposed in the moving hole 24 and can move along the axial direction of the moving hole 24.
Wherein, the camera subassembly 4 includes camera and light source, observes the form of the liquid that operational environment had already been spouted through the camera, improves operational environment's visual degree through the light source simultaneously, and in addition, the light source of this embodiment is cold light source, helps reducing the influence to the service environment.
In summary, when the invention is used, liquid is sprayed from the first spray hole 11 of the high pressure pipe 1 to form a high pressure spray ray, in order to adjust the form and pressure of the sprayed liquid, the invention sets the adjusting piece 2, the adjusting piece 2 sets the second spray hole 23 corresponding to the first spray hole 11, so that the liquid is sprayed from the first spray hole 11 and enters the second spray hole 23, the second spray hole 23 can axially move along the rotating shaft part 21 to adjust the distance from the first spray hole 11 through the rotating shaft part, thereby realizing adjustment of the spraying angle and spraying pressure of the liquid from the second spray hole 23, and the second spray hole 23 can also rotate relative to the high pressure pipe 1 through the rotating shaft part 21 to change the relative position of the axis of the second spray hole 23 and the axis of the first spray hole 11, so that the sprayed liquid from the first spray hole 11 is reflected at different positions on the inner side wall of the first spray hole 11 to form different spraying angles and spraying pressures of the liquid from the second spray hole 23.
In addition, since the second nozzle hole 23 of the present invention is not limited to one, when there are a plurality of second nozzle holes 23, the shaping portion 22 is rotated in the circumferential direction and/or moved in the axial direction of the rotation shaft portion 21, so that different second nozzle holes 23 correspond to the first nozzle holes 11, thereby changing the ejection pressure and angle of the ejected liquid.
Furthermore, the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are merely used to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the invention.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims (10)

CN201910619135.9A2019-07-102019-07-10Spray pressure adjusting instrumentActiveCN110368065B (en)

Priority Applications (2)

Application NumberPriority DateFiling DateTitle
CN201910619135.9ACN110368065B (en)2019-07-102019-07-10Spray pressure adjusting instrument
PCT/CN2019/123435WO2021003989A1 (en)2019-07-102019-12-05Jet pressure adjusting apparatus

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
CN201910619135.9ACN110368065B (en)2019-07-102019-07-10Spray pressure adjusting instrument

Publications (2)

Publication NumberPublication Date
CN110368065A CN110368065A (en)2019-10-25
CN110368065Btrue CN110368065B (en)2024-06-21

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CN201910619135.9AActiveCN110368065B (en)2019-07-102019-07-10Spray pressure adjusting instrument

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WO (1)WO2021003989A1 (en)

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CN110368065B (en)*2019-07-102024-06-21惠州海卓科赛医疗有限公司Spray pressure adjusting instrument
CN113662630A (en)*2021-08-312021-11-19蓝帆外科器械有限公司Medical water jet scalpel and medical system
US20250169846A1 (en)*2022-02-232025-05-29Tamar Robotics LtdTip for neurosurgical robot
CN114569197B (en)*2022-03-182025-09-23惠州海卓科赛医疗有限公司 Liquid injection device for removing tissue

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WO2021003989A1 (en)2021-01-14
CN110368065A (en)2019-10-25

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