CN218105953U

CN218105953U - Abdominal cavity puncture stitching instrument

Info

Publication number: CN218105953U
Application number: CN202220497341.4U
Authority: CN
Inventors: 罗云
Original assignee: Beibei Traditional Chinese Medicine Hospital Of Chongqing City
Current assignee: Beibei Traditional Chinese Medicine Hospital Of Chongqing City
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-12-23
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to the technical field of medical equipment, a abdominal cavity puncture stitching instrument is disclosed, include the puncture tube sheath and sew up the subassembly, the puncture tube sheath is cavity cover tube-shape, it rotationally buries underground in puncture tube sheath lateral wall to sew up the subassembly. Further, the suture assembly comprises at least two puncture needle tubes and two puncture needles, axial needle tube channels are arranged between the inner wall and the outer wall of the puncture tube sheath, the puncture needle tubes are symmetrically arranged in the needle tube channels, the upper ends of the puncture needle tubes upwards penetrate out of the needle tube channel connecting handles, the lower ends of the puncture needle tubes penetrate out of the needle tube channel connecting needle arms, the needle arms are arc-shaped and coaxial with the puncture tube sheath, the other ends of the needle arms are connected with the puncture needles, and the puncture needles are axially parallel to the puncture tube sheath. The utility model integrates the functions of puncture and suture, has ingenious and simple structure, and can suture from inside to outside, and the suture is safer and firmer; when the puncture sheath is pulled out, the suture of the puncture hole is completed, the wound is small, and the operation is convenient.

Description

Abdominal cavity puncture stitching instrument

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to abdominocentesis stitching instrument.

Background

Laparoscopic surgery is a minimally invasive surgical method that has been widely used due to its small trauma and fast recovery, so that many open surgeries in the past have been replaced by laparoscopic surgeries. The laparoscopic surgery operation is completed by establishing a working channel on the abdominal wall through an abdominal puncture outfit and then using a special lengthened surgical instrument under a laparoscopic display screen. At present, the puncture outfit has the diameter of 5mm-15mm, the puncture hole is small, and the postoperative suture of the puncture position is difficult, so that the risk of incisional hernia possibly occurs to the postoperative incision.

The Chinese patent application CN108542450A discloses an endoscope puncture suturing device, which comprises an outer sleeve, a puncture device and a suturing device, wherein the outer sleeve and the puncture device are used for puncture and operation of an abdominal cavity in the operation process, the suturing device is placed in the outer sleeve after the operation to complete suturing of an abdominal fascia, the puncture device and the suturing device are still used independently, the puncture and suturing processes are completed by the aid of the independent outer sleeve, the operation process is complex, and the operation time is not shortened.

SUMMERY OF THE UTILITY MODEL

The utility model provides an abdominal cavity puncture stitching instrument, which aims to solve the problem of difficult stitching of abdominal cavity puncture.

In order to realize the technical purpose, the utility model discloses a technical scheme is:

an abdominal cavity puncture stitching instrument comprises a puncture tube sheath and a stitching assembly, wherein the puncture tube sheath is in a hollow sleeve shape, and the stitching assembly is rotationally embedded in the side wall of the puncture tube sheath.

Further, the suture assembly comprises at least two puncture needle tubes and two puncture needles, axial needle tube channels are arranged between the inner wall and the outer wall of the puncture tube sheath, the puncture needle tubes are symmetrically arranged in the needle tube channels, the upper ends of the puncture needle tubes upwards penetrate out of the needle tube channel connecting handles, the lower ends of the puncture needle tubes penetrate out of the needle tube channel connecting needle arms, the needle arms are arc-shaped and coaxial with the puncture tube sheath, the other ends of the needle arms are connected with the puncture needles, and the puncture needles are axially parallel to the puncture tube sheath.

Furthermore, a second groove coaxial with the puncture tube sheath is formed in the peripheral wall of the puncture tube sheath along the circumferential direction, the second groove is close to the bottom of the puncture tube sheath, and a needle guide hole A communicated with the needle tube channel is formed in the second groove; the outer wall of the puncture tube sheath is also axially provided with a third groove, the lower end of the third groove is communicated with the second groove, the lower end of the puncture needle tube penetrates out of the needle guide hole A, and the needle arm is embedded in the second groove; the puncture needle is embedded in the third groove.

Furthermore, the handle is in an arc shape coaxial with the puncture tube sheath, a first groove coaxial with the puncture tube sheath is formed in the peripheral wall of the puncture tube sheath along the circumferential direction, the first groove is close to the top of the puncture tube sheath, and a guide pin hole B communicated with a needle tube channel is formed in the first groove; the upper end of the puncture needle tube penetrates out of the guide pin hole B, and the handle is embedded in the first groove.

Furthermore, a stop wall is arranged on one side of the guide pin hole B in the first groove.

Furthermore, the puncture needle comprises a needle point, a needle rod and a needle head, the needle head is arranged in the needle arm, the needle head is connected with suture lines, and the suture lines of the two puncture needles are connected.

Furthermore, the tail end of the needle arm is provided with a needle seat, and the needle seat is provided with a through hole for the needle head to pass through.

Furthermore, the needle head is provided with needle head ears which are symmetrically arranged, and a needle head ear clamping groove is formed in the bottom of the needle head seat.

Furthermore, the novel needle cap also comprises a needle cap, wherein a needle cap hole is formed in the center of the needle cap and is in a sleeve shape.

Further, the needle cap is made of rubber or silica gel materials.

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

the utility model discloses an abdominal cavity puncture stitching instrument, the suture assembly is buried in the puncture tube sheath, the suture assembly punctures into the abdominal cavity together with the puncture tube sheath during puncture, the partial puncture tube sheath retreats after the suture assembly is unfolded, the suture assembly can be driven to retreat and further penetrate out of the abdominal wall from the inside to the outside, and the effect of fixing the puncture tube sheath is achieved; after the operation is finished, the suture assembly can carry out suture; the utility model is sewed from inside to outside, and the sewing is safer and firmer; meanwhile, when the puncture sheath is pulled out, the suture of the puncture hole is completed, the wound is small, and the operation is convenient; the utility model discloses collect the puncture and sew up the function as an organic whole, the structure is ingenious simple.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

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

FIG. 2 is a schematic view of the structure of the middle puncturing tube part of the present invention;

FIG. 3 is a schematic view of the securement of the needle;

FIG. 4 is a schematic view of the structure of the needle cap;

FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1 (before and after rotation of the needle);

fig. 6 is a schematic view of the present invention in a use state.

Reference numerals: 1-puncture tube sheath, 11-needle tube channel, 12-first groove, 13-second groove, 14-third groove, 15-guide pin hole A, 16-guide pin hole B, 17-stop wall, 2-puncture needle tube, 21-handle, 22-needle arm, 23-needle seat, 24-needle ear clamping groove, 3-puncture needle, 31-needle point, 32-needle rod, 33-needle head, 34-needle ear, 4-suture line, 5-needle cap and 51-needle cap hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

An abdominal cavity puncture stitching instrument comprises a puncture tube sheath 1 and a stitching assembly, wherein the puncture tube sheath 1 is in a hollow sleeve shape, and the stitching assembly is rotationally embedded in the side wall of the puncture tube sheath 1.

The utility model discloses a suture assembly, including the needle tube of puncture 2, two at least puncture needle tubes 3, be equipped with axial needle tube passageway 11 between the inner wall of puncture tube sheath 1 and the outer wall, two puncture needle tube 2 symmetry is located in the needle tube passageway 11, needle tube passageway 11 connection handle 21 is worn out to the upper end of puncture needle tube 2, and needle tube passageway 11 connection needle arm 22 is worn out to the lower extreme, needle arm 22 is the arc coaxial with the puncture tube sheath, pjncture needle 3 is connected to the other end of needle arm 22, pjncture needle 3 and puncture tube sheath 1 axial direction are parallel.

A second groove 13 coaxial with the puncture sheath is formed in the outer peripheral wall of the puncture sheath 1 along the circumferential direction, the second groove 13 is close to the bottom of the puncture sheath, and a guide pin hole A15 communicated with a needle tube channel is formed in the second groove 13; the outer wall of the puncture tube sheath 1 is also axially provided with a third groove 14, the lower end of the third groove 14 is communicated with the second groove 13, the lower end of the puncture needle tube 2 penetrates out of a guide needle hole A15, and the needle arm 22 is embedded in the second groove 13; the puncture needle 3 is embedded in the third groove 14.

The handle 21 is in an arc shape coaxial with the puncture sheath 1, a first groove 12 coaxial with the puncture sheath is formed in the peripheral wall of the puncture sheath 1 along the circumferential direction, the first groove 12 is close to the top of the puncture sheath, and a guide pin hole B16 communicated with a needle tube channel is formed in the first groove 12; the upper end of the puncture needle tube 2 penetrates out of the guide needle hole B16, and the handle 21 is embedded in the first groove.

The puncture needle tube 2 is driven by the handle 21 to rotate around the axis thereof, and further drives the needle arm 22 to rotate synchronously. A stop wall 17 is arranged at one side of the guide pin hole B of the first groove 12 and used for limiting the maximum rotation angle of the handle 21.

The puncture needle 3 comprises a needle point 31, a needle rod 32 and a needle head 33, the needle head 33 is arranged in the needle arm 22, the needle head 33 is connected with the suture 4, the sutures of the two puncture needles are connected, and the suture 4 is arranged in the third groove 14.

Specifically, the end of needle arm 22 is equipped with needle file 23, the through-hole that supplies syringe needle 33 to pass is seted up to needle file 23, syringe needle 33 is equipped with needle ear 34, needle ear 34 symmetry is laid, needle file 23 bottom is equipped with needle ear draw-in groove 24, the pillow 33 of pjncture needle inserts from needle file 23 top, behind needle ear 34 butt needle ear draw-in groove 24, rotatory pjncture needle makes needle ear 34 block in needle ear draw-in groove 24, can fix the pjncture needle, avoids the not hard up slippage of pjncture needle, when needs draw the pjncture needle, makes needle ear and through-hole align the side and can extract to rotatory pjncture needle.

Still include the needle cap 5, needle cap hole 51 has been seted up at needle cap 5 center, is the cover tube-shape, needle cap 5 is waited to pjncture needle 3 to puncture behind the stomach wall and is established on pjncture needle 3 needle point 31, is used for being fixed in the stomach wall with the pjncture needle on the one hand, makes the puncture tube sheath not shift, and on the other hand avoids operating the person in the operation to be stabbed by the needle point, improves the safety in utilization.

The utility model discloses an abdominal cavity puncture stitching instrument, the subassembly of sewing up has been hidden in the puncture tube sheath, punctures the subassembly of sewing up into the abdominal cavity in the lump during puncture, rotates the handle, drives needle arm, pjncture needle rotatory expansion, then withdraws from partial puncture tube portion backward, and the pjncture needle moves along with puncture tube portion, and then wears out the abdominal wall, covers on the needle point and establishes the needle cap, at this moment, the puncture tube sheath is fixed around the puncture hole, can not move at will, does benefit to the operation; when suturing after the operation is finished, the puncture needle is rotated and pulled to separate the puncture needle from the needle seat, the handle is rotated again to withdraw the needle arm, the needle arm is retracted into the outer wall of the puncture tube part, the puncture needle tube is withdrawn, the suture line is tightened and knotted, and the puncture hole suturing is completed.

Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims

1. The utility model provides an abdominal cavity puncture stitching instrument, includes puncture tube sheath (1) and sews up the subassembly, its characterized in that: the puncture tube sheath (1) is in a hollow sleeve shape, and the suture assembly is rotatably embedded in the side wall of the puncture tube sheath (1); the utility model discloses a suture assembly, including needle tube (1), needle tube (2) and needle tube (22), it includes two piece at least puncture needle tubes and two pjncture needles to sew up the subassembly, be equipped with axial needle tube passageway (11) between the inner wall of puncture tube sheath (1) and the outer wall, two puncture needle tube (2) symmetry is located in needle tube passageway (11), the upper end of puncture needle tube (2) upwards wears out needle tube passageway (11) link handle (21), and needle tube passageway (11) link arm (22) are worn out to the lower extreme of puncture needle tube (2), needle arm (22) are with puncture tube sheath (1) coaxial arc, pjncture needle (3) are connected to the other end of needle arm (22), pjncture needle (3) and puncture tube sheath (1) axial direction parallel.

2. The laparoscopic stapler of claim 1, wherein: a second groove (13) coaxial with the puncture tube sheath is formed in the peripheral wall of the puncture tube sheath (1) along the circumferential direction, the second groove (13) is close to the bottom of the puncture tube sheath, and a needle guide hole A (15) communicated with a needle tube channel is formed in the second groove (13); a third groove (14) is further axially formed in the outer wall of the puncture tube sheath (1), the lower end of the third groove (14) is communicated with the second groove (13), the lower end of the puncture needle tube (2) penetrates out of the guide pin hole A (15), and the needle arm (22) is embedded in the second groove (13); the puncture needle (3) is embedded in the third groove (14).

3. The laparoscopic puncture stapler of claim 1, wherein: the handle (21) is in an arc shape coaxial with the puncture tube sheath (1), a first groove (12) coaxial with the puncture tube sheath is formed in the peripheral wall of the puncture tube sheath (1) along the circumferential direction, the first groove (12) is close to the top of the puncture tube sheath, and a guide pin hole B (16) communicated with a needle tube channel is formed in the first groove (12); the upper end of the puncture needle tube (2) penetrates out of the guide pin hole B (16), and the handle (21) is embedded in the first groove.

4. The laparoscopic stapler of claim 3, wherein: one side of the guide pin hole B in the first groove (12) is provided with a stop wall (17).

5. The laparoscopic puncture stapler of claim 1, wherein: the puncture needle (3) comprises a needle point (31), a needle rod (32) and a needle head (33), the needle head (33) is arranged in the needle arm (22), the needle head (33) is connected with a suture line (4), and the suture lines (4) of the two puncture needles (3) are connected.

6. The laparoscopic needle stapler of claim 5, wherein: the tail end of the needle arm (22) is provided with a needle seat (23), and the needle seat (23) is provided with a through hole for the needle head (33) to pass through.

7. The laparoscopic stapler of claim 6, wherein: the needle head (33) is provided with needle head ears (34), the needle head ears (34) are symmetrically arranged, and a needle head ear clamping groove (24) is formed in the bottom of the needle base (23).

8. The laparoscopic puncture stapler of claim 1, wherein: the needle cap is characterized by further comprising a needle cap (5), wherein a needle cap hole (51) is formed in the center of the needle cap (5) and is in a sleeve shape.

9. The laparoscopic stapler of claim 8, wherein: the needle cap (5) is made of rubber or silica gel materials.