CN215839367U

CN215839367U - Puncture outfit convenient to adjust for laparoscope

Info

Publication number: CN215839367U
Application number: CN202120633120.0U
Authority: CN
Inventors: 王水庭
Original assignee: Wuhan Lanp Medical Products Co ltd
Current assignee: Wuhan Lanp Medical Products Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-02-18
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a puncture outfit for a laparoscope, which is convenient to adjust and comprises a sleeve fixing seat, wherein the sleeve fixing seat is connected with a sleeve, the upper side of the sleeve fixing seat is detachably connected with a puncture needle fixing seat, the lower side of the puncture needle fixing seat is fixedly provided with a puncture needle, the puncture needle penetrates through the sleeve, a choke valve is arranged in the sleeve fixing seat, one side of the sleeve fixing seat is provided with a gas injection pipe, and the gas injection pipe is connected with a gas injection valve; the outer side of the sleeve is sleeved with a baffle assembly, the baffle assembly comprises a control part and a blocking part connected with the control part, the control part comprises a fixed body and pressing assemblies arranged on two sides of the fixed body, and the blocking part comprises a clamp disc and a rotary driving disc; the puncture outfit for the laparoscope can conveniently adjust the length of the cannula penetrating through tissues, and avoid stabbing internal organs.

Description

Puncture outfit convenient to adjust for laparoscope

Technical Field

The utility model relates to the field of medical instruments, in particular to a puncture outfit for a laparoscope, which is convenient to adjust.

Background

When in laparoscopic surgery, the operation is usually carried out in the cavity of a patient through 2-3 small incisions with the length of 1 cm, and the disposable puncture outfit for the laparoscopic surgery is mainly used for penetrating the whole abdominal wall in the laparoscopic surgery to establish a passage between the outside and the abdominal cavity, so that surgical instruments enter the abdominal cavity through the cannula of the puncture outfit to complete the surgical process and achieve the same purpose of the traditional open surgery.

Chinese utility model with prior art application number CN201821051002.3 specially does benefit to 2021 year 01 month 15 and discloses a peritoneoscope puncture ware that prevents abdominal cavity internal organs damage, through setting up the stopper, slide bar 8 inward sliding with both sides through the sliding block, extrude rubber fixture block and sleeve pipe closely laminate when the slide bar slides to the arc wall in, reach the effect of fixed stopper, but the slide bar of the inconvenient needs simultaneous operation left and right sides of operation inwards pinches tightly on the one hand, on the other hand is difficult to set up the chucking degree, probably the card is not tight or extrudees the sleeve pipe because of the tension, make the peritoneoscope be difficult to pass.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a puncture outfit for a laparoscope, which is convenient to adjust, can conveniently adjust the length of a sleeve penetrating through tissues, and avoids stabbing internal organs.

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

the puncture outfit for the laparoscope convenient to adjust comprises a sleeve fixing seat, wherein the sleeve fixing seat is connected with a sleeve, a puncture needle fixing seat is detachably connected to the upper side of the sleeve fixing seat, a puncture needle is fixedly arranged on the lower side of the puncture needle fixing seat, the puncture needle penetrates through the sleeve, an air blocking valve is arranged in the sleeve fixing seat, one side of the sleeve fixing seat is provided with an air injection pipe, and the air injection pipe is connected with an air injection valve; the sheathed tube outside cover is equipped with the baffle subassembly, the baffle subassembly include the control part, with the stop part that the control part is connected, the control part includes the fixed body and locates the subassembly of pressing of fixed body both sides, the stop part include with control part fixed connection's anchor clamps dish, anchor clamps dish is connected with a plurality of and is used for pressing from both sides tightly sheathed tube clamping bar, the outside cover of anchor clamps dish is equipped with and is used for the drive the rotary driving dish of clamping bar, press the subassembly one end with fixed body elastic connection, the other end with rotary driving dish sliding connection.

In the scheme, the baffle plate assembly can be conveniently arranged at different positions of the sleeve, so that the length of the sleeve penetrating through tissues is conveniently adjusted, and the viscera are prevented from being punctured;

the control part is used for controlling the clamping and loosening of the blocking part on the sleeve, when the pressing components on two sides of the control part are pinched by fingers, the baffle component can freely move up and down on the sleeve, and when the fingers are released, the baffle component clamps the outer wall of the sleeve;

the clamp plate is used for transshipping the clamping rod, the clamping rod can stretch out and draw back the activity on the clamp plate, when the rotary driving dish is rotatory, can drive the clamping rod and be close to or keep away from the sleeve pipe, when pressing the subassembly with finger nip, press the subassembly and drive the rotary driving dish rotation.

Furthermore, the clamp disc is provided with a clamp groove extending in the radial direction, the clamping rod is arranged in the clamp groove and is in sliding connection with the clamp groove, the clamping rod is vertically connected with a guide pillar, and an inclined guide groove matched with the guide pillar is arranged on the lower side of the rotary driving disc. When the rotary driving disc rotates, the guide post slides along the inclined guide groove, and the guide post drives the clamping rod to be close to or far away from the sleeve.

Further, the side of the fixed body is provided with a mounting groove, one end of the pressing component extends into the mounting groove and is connected with the mounting groove in a sliding manner, and a compression spring connected with the mounting component is arranged in the mounting groove. When the pressing component is pinched by fingers, the pressing component overcomes the elasticity of the compression spring and slides towards the mounting groove, and meanwhile, the pressing component drives the rotary driving disc to rotate.

Furthermore, a driving chute is arranged on the upper side of the rotary driving disk, and one end of the pressing component extends into the driving chute and is in sliding connection with the driving chute. When the pressing component moves, the rotating driving disc is driven to rotate by the driving chute.

Further, the diameter of the inner hole of the clamp disc is larger than the outer diameter of the sleeve and smaller than the diameter of the inner hole of the rotary driving disc.

Furthermore, the end of the clamping rod is provided with a cambered surface matched with the outer wall of the sleeve.

Furthermore, the number of the clamping rods is 8, and the clamping rods are uniformly arranged on the clamp disc in a circumferential array.

Furthermore, the cross section of the fixing body is rectangular, a circular through hole for the sleeve to pass through is formed in the middle of the fixing body, and the diameter of the circular through hole is larger than the outer diameter of the sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the baffle plate assembly, the baffle plate assembly can be conveniently arranged at different positions of the sleeve, the length of the sleeve penetrating through tissues is conveniently adjusted, and the viscera are prevented from being punctured;

2. the control part is used for controlling the clamping and loosening of the blocking part on the sleeve, when the pressing components on two sides of the control part are pinched by fingers, the baffle component can freely move up and down on the sleeve, and when the fingers are released, the baffle component clamps the outer wall of the sleeve; the operation can be realized by one hand, and the control is convenient;

3. through the compression spring of chooseing for use suitable specification in the mounting groove, the clamping-force degree of the clamping-rod pair sleeve pipe of convenient control makes the clamping-rod be unlikely to the centre gripping sleeve pipe tension.

Drawings

FIG. 1 is a schematic view of the adjustable puncture outfit for laparoscope of the present invention;

FIG. 2 is a top view of the baffle plate assembly of the present invention;

FIG. 3 is a cross-sectional view of the baffle assembly of the present invention;

FIG. 4 is a bottom view of the baffle plate assembly of the present invention;

in the figure: 1. a sleeve fixing seat; 2. a sleeve; 3. a puncture needle fixing seat; 4. puncturing needle; 5. a gas injection pipe; 6. an air injection valve; 7. a baffle assembly; 8. a control unit; 9. a blocking portion; 10. a fixed body; 11. a pressing assembly; 12. a clamp plate; 13. a clamping bar; 14. a rotating drive disk; 15. a guide post; 16. an inclined guide groove; 17. mounting grooves; 18. a compression spring; 19. the chute is driven.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "horizontal", "vertical", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the puncture outfit for the laparoscope convenient to adjust comprises a cannula fixing seat 1, wherein the cannula fixing seat 1 is connected with a cannula 2, the upper side of the cannula fixing seat 1 is detachably connected with a puncture needle fixing seat 3, the lower side of the puncture needle fixing seat 3 is fixedly provided with a puncture needle 4, the puncture needle 4 penetrates through the cannula 2, a choke valve is arranged in the cannula fixing seat 1, one side of the cannula fixing seat is provided with an air injection pipe 5, and the air injection pipe 5 is connected with an air injection valve 6; the outside cover of sleeve pipe 2 is equipped with baffle subassembly 7, baffle subassembly 7 include control part 8, with the stop part 9 that control part 8 is connected, control part 8 includes the fixed body 10 and locates the subassembly 11 that presses of fixed body 10 both sides, stop part 9 include with control part fixed connection's anchor clamps dish 12, anchor clamps dish 12 is connected with a plurality of and is used for pressing from both sides tightly the clamping bar 13 of sleeve pipe 2, the outside cover of anchor clamps dish 12 is equipped with and is used for the drive the rotary driving dish 14 of clamping bar 13, press the subassembly 11 one end with fixed body 10 elastic connection, the other end with rotary driving dish 14 sliding connection.

In the scheme, the baffle plate assembly 7 can be conveniently arranged at different positions of the sleeve 2, so that the length of the sleeve 2 penetrating through tissues can be conveniently adjusted, and the viscera can be prevented from being punctured;

the control part 8 is used for controlling the clamping and loosening of the blocking part 9 on the sleeve 2, when the pressing components 11 on two sides of the control part 8 are pinched by fingers, the baffle component 7 can freely move up and down on the sleeve 2, and when the fingers are released, the baffle component 7 clamps the outer wall of the sleeve 2;

the clamp disc 12 is used for transshipping the clamping rod 13, the clamping rod 13 can be stretched and retracted on the clamp disc 12, when the rotary driving disc 14 rotates, the clamping rod 13 can be driven to be close to or far away from the sleeve 2, and when the pressing component 11 is pinched by fingers, the pressing component 11 drives the rotary driving disc 14 to rotate.

Further, the clamp disc 12 is provided with a radially extending clamp groove, the clamping rod 13 is disposed in the clamp groove and slidably connected with the clamp groove, the clamping rod 13 is vertically connected with a guide post 15, and an inclined guide groove 16 matched with the guide post is disposed on the lower side of the rotary driving disc 14. When the rotary driving disk 14 rotates, the guide post 15 slides along the inclined guide slot 16, and the guide post 15 drives the clamping rod 13 to approach or separate from the sleeve 2.

Further, the side of the fixed body 10 is provided with a mounting groove 17, one end of the pressing component 11 extends into the mounting groove 17 and is slidably connected with the mounting groove 17, and a compression spring 18 connected with the mounting component 11 is arranged in the mounting groove 17. When pressing down subassembly 11 with the finger nip, press down subassembly 11 and overcome compression spring 18's elasticity and slide to mounting groove 17, it drives rotary driving dish 14 rotatory to press down subassembly 11 simultaneously, when the finger is released, compression spring's elasticity makes and presses down subassembly 11 to both sides relative displacement, it is rotatory to drive rotary driving dish 14 simultaneously, rotary driving dish 14 drive clamping bar grasps sleeve pipe 2, through selecting for use suitable spring specification, can conveniently control the centre gripping dynamics.

Furthermore, a driving chute 19 is arranged on the upper side of the rotating driving disk 14, and one end of the pressing component 11 extends into the driving chute 19 and is slidably connected with the driving chute 19. When the pressing component 11 moves, the driving chute 19 drives the rotating driving disk 14 to rotate.

Further, the inner hole diameter of the clamp disc 12 is larger than the outer diameter of the sleeve 2 and smaller than the inner hole diameter of the rotary driving disc 14.

Furthermore, the end of the clamping rod 13 is provided with an arc surface matched with the outer wall of the sleeve 2.

Further, the number of the clamping rods 13 is 8, and the clamping rods 13 are uniformly arranged on the clamp disc 12 in a circumferential array.

Further, the cross section of the fixing body 10 is rectangular, a circular through hole for the sleeve 2 to pass through is formed in the middle of the fixing body 10, and the diameter of the circular through hole is larger than the outer diameter of the sleeve 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The puncture outfit for the laparoscope convenient to adjust comprises a sleeve fixing seat, wherein the sleeve fixing seat is connected with a sleeve, a puncture needle fixing seat is detachably connected to the upper side of the sleeve fixing seat, a puncture needle is fixedly arranged on the lower side of the puncture needle fixing seat, the puncture needle penetrates through the sleeve, an air blocking valve is arranged in the sleeve fixing seat, one side of the sleeve fixing seat is provided with an air injection pipe, and the air injection pipe is connected with an air injection valve; its characterized in that, sheathed tube outside cover is equipped with the baffle subassembly, the baffle subassembly include the control part, with the block part that the control part is connected, the control part includes the fixed body and locates the subassembly of pressing of fixed body both sides, the block part include with control part fixed connection's anchor clamps dish, the anchor clamps dish is connected with a plurality of and is used for pressing from both sides tightly sheathed tube clamping bar, the outside cover of anchor clamps dish is equipped with and is used for the drive the rotary driving dish of clamping bar, press the subassembly one end with fixed body elastic connection, the other end with rotary driving dish sliding connection.

2. The adjustable puncture outfit for laparoscope as defined by claim 1, wherein the clamp disk is provided with a radially extending clamp groove, the clamping rod is disposed in the clamp groove and slidably connected with the clamp groove, the clamping rod is vertically connected with a guide post, and the lower side of the rotary driving disk is provided with an inclined guide groove engaged with the guide post.

3. The adjustable puncture outfit for the laparoscope as defined by claim 1, wherein an installation groove is provided on the side of the fixing body, one end of the pressing component extends into the installation groove and is slidably connected with the installation groove, and a compression spring connected with the pressing component is provided in the installation groove.

4. The laparoscopic puncture outfit facilitating adjustment according to claim 1, wherein a driving chute is provided on an upper side of said rotary driving disk, and one end of said pressing unit is inserted into said driving chute and slidably connected thereto.

5. The laparoscopic puncture outfit for facilitating adjustment of claim 1, wherein said clamp disk has an inner bore diameter larger than an outer diameter of said cannula and smaller than a diameter of an inner bore of said rotary drive disk.

6. The adjustable puncture outfit for laparoscope as defined by claim 1, wherein the end of the clamping rod is provided with an arc surface which is matched with the outer wall of the cannula.

7. The laparoscopic puncture outfit facilitating adjustment of claim 1, wherein said clamping bars are 8 in number and are arranged in a uniform circumferential array on said clamp plate.

8. The puncture outfit for the laparoscope convenient to adjust as defined by claim 1, wherein the cross section of the fixing body is rectangular, a circular through hole for the cannula to pass through is arranged in the middle of the fixing body, and the diameter of the circular through hole is larger than the outer diameter of the cannula.