CN210990603U

CN210990603U - Puncture crochet hook of abdominal cavity puncture stitching instrument

Info

Publication number: CN210990603U
Application number: CN201920872001.3U
Authority: CN
Inventors: 相亭海
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-07-14
Anticipated expiration: 2029-06-12

Abstract

The utility model relates to a puncture crochet hook of abdominal cavity puncture stitching instrument, which belongs to the medical appliance and is suitable for closing the suture of abdominal wall puncture hole in the laparoscopic surgery, wherein the puncture crochet hook comprises a puncture needle, a needle cylinder, a spanner, a needle core, a baffle, a pintle and a spring. The far end of the needle cylinder is connected with the puncture needle, the near end of the needle cylinder is connected with the wrench, the needle core is positioned in the puncture needle, the near end of the needle cylinder penetrates through the spring, the back of the baffle is connected with the pintle, the far end of the needle core is provided with a grabbing tooth, the grabbing tooth comprises an upper grabbing tooth and a lower grabbing tooth, and the baffle is positioned between the needle core and the pintle. The utility model discloses to go up and grab the tooth structural design and become the cockscomb structure, make and grab the line more firm, with both can bring the stylolite into the abdominal cavity after the fastener, also can drag out external completion knot after the stylolite is grasped from the abdominal cavity.

Description

Puncture crochet hook of abdominal cavity puncture stitching instrument

Technical Field

The utility model relates to a puncture crochet hook of abdominal cavity puncture stitching instrument, which belongs to the medical appliance and is suitable for closing the stitching of abdominal wall puncture holes after the laparoscopic surgery, in particular to a device for completing the stitching of body cavity puncture holes in the laparoscopic surgery process.

Background

In the surgical operation process, a large number of laparoscopic minimally invasive techniques are adopted and widely applied to various fields of thoracic surgery, abdominal surgery, urinary surgery, gynecology and the like, the laparoscopic minimally invasive techniques not only have small wounds and avoid traditional large incisions at the operation parts, but also enable the operation parts to be more attractive, patients can move out of bed earlier without worrying about incision cracking, and the recovery of postoperative patients is accelerated. The invention is described by taking a laparoscopic surgery as an example, in the process of laparoscopic minimally invasive surgery, firstly, a body cavity is punctured to establish a carbon dioxide pneumoperitoneum, a puncture outfit (such as Trocar) is used for puncturing to enter the body cavity after the pneumoperitoneum is established, then instruments such as an observation light source, a grasping forceps, an electrocoagulation hook, an ultrasonic knife and the like are placed for surgery, after the surgery is completed, each body cavity puncture outfit is pulled out, and a puncture hole needs to be sutured, so that active bleeding or incisional rupture forming hernia is avoided. The existing laparoscopic instruments are usually that after the laparoscopic surgery is finished, all puncture devices are firstly pulled out, and then all puncture holes are sutured, because the abdominal wall is thick, the narrow and deep puncture holes are difficult to suture the peritoneum or deep muscular tissues manually, the time for operation is usually long, and the suturing is incomplete.

The existing deep fascia suture instrument (patent number 201610569430.4) and an abdominal cavity puncture instrument belong to two different instruments and need to be used independently, so that the instrument cost is increased on one hand, and the use process is more complicated on the other hand.

SUMMERY OF THE UTILITY MODEL

The utility model discloses can overcome above-mentioned weak point, provide a puncture crochet hook needle of stomach wall puncture stitching instrument, it jointly uses with the abdominal cavity puncture sheath, brings into the abdominal cavity through one side of abdominal cavity puncture sheath with the one end of stylolite earlier, and puncture crochet hook needle gets into the abdominal cavity through the opposite side of abdominal cavity puncture sheath, drags out the one end of stylolite through the cooperation of other apparatus in the abdominal cavity and accomplishes in vitro and tie a knot, the utility model discloses the cost of manufacture is low, and easy operation is suitable for the sewing up of all kinds of abdominal cavity puncture holes.

A puncture crochet needle of an abdominal puncture stitching instrument is realized by adopting the following technical scheme:

the utility model provides a puncture crochet hook of abdominocentesis stitching instrument includes pjncture needle, cylinder, spanner, nook closing member, baffle, pintle and spring, the pjncture needle is connected with the cylinder, is connected with the spanner again, the nook closing member is located the pjncture needle, and the near-end passes behind spring and the baffle to be connected with the pintle, and the spring is located between pjncture needle near-end and the baffle, and the nook closing member distal end has grabs the tooth, baffle, spring and nook closing member and pintle junction are located inside the cylinder.

Furthermore, the convex part of the wrench has a spiral structure and can be connected with the needle cylinder, the wrench has a hollow passage, and the pintle enters the needle cylinder through the passage.

Furthermore, the baffle is in a round cake shape, the middle round hole is provided with a needle core for passing through, and the baffle is fixed between the needle core and the pintle.

Furthermore, the far end of the needle grasping core is provided with grasping teeth, the grasping teeth comprise upper grasping teeth and lower grasping teeth, the upper grasping teeth are bent, the inner sides of the upper grasping teeth and the lower grasping teeth are provided with sawtooth structures to increase friction force, the lower grasping teeth are straight, the front ends of the lower grasping teeth are hooks, the rear parts of the lower grasping teeth are grooves, the grasping teeth can be elastically opened in a free state, and the grasping teeth can be embedded in the grooves in a closed state.

Furthermore, the puncture needle is a hollow tube cavity, the far end of the tube cavity is an oblique section, the near end of the tube cavity is connected with the needle cylinder, and a needle core passes through the tube cavity.

A puncture crochet needle of an abdominal puncture stitching instrument is characterized in that:

1. the needle core grasping teeth are pushed forwards to grasp the suture thread due to the elastic expansion, and the needle core retracts into the puncture needle due to the tension of the spring after the hand is released so as to close the grasping teeth and clamp the suture thread.

2. The suture line can be brought into the abdominal cavity by the puncture suture line needle after being gripped by the puncture suture line needle through the positioning channel at one side of the abdominal cavity puncture sheath, the round hole and the abdominal wall tissue punctured at the upper end of the concave structure, and then the suture line is entered into the abdominal cavity through the positioning channel at the other side of the abdominal cavity puncture sheath, the round hole and the upper end of the concave structure and gripped by other instruments in the abdominal cavity, and the suture line is pulled out of the body to complete knotting.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic view of a puncture crochet needle of a laparoscopic puncture suture instrument.

Fig. 2 is a schematic structural view of a puncture crochet needle core of the abdominal puncture stitching instrument.

Fig. 3 is a schematic view of a puncture crochet hook grabbing tooth structure of the abdominal cavity puncture stitching instrument.

In the figure: 1. a pintle; 2. a wrench; 3. a needle cylinder; 4. a spring; 5. a baffle plate; 6. a needle core; 6-1, a sawtooth structure; 6-2, upper grabbing teeth; 6-3, hooking; 6-4, a groove; 7. a puncture needle.

Detailed Description

The following description is provided to disclose the invention so that others skilled in the art may practice it. The preferred embodiments described below are intended as examples only, and other obvious modifications will occur to those skilled in the art, and the generic principles defined in the following description may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit or scope of the novel features of the invention.

It is to be understood that the terms "a" and "an" are to be interpreted as meaning "at least one" or "one or more," i.e., that a single element may be present in one embodiment, while a plurality of elements may be present in another embodiment, and the terms "a" and "an" are not to be interpreted as limiting the number.

The puncture hook wire needle is matched with the puncture sheath for use, so that the suturing process of the abdominal wall puncture hole can be completed.

Referring to fig. 1 and 2, in an embodiment of the present invention, a puncture looper of an abdominal cavity puncture suturing device includes a puncture needle 7, a needle cylinder 3, a wrench 2, a needle core 6, a baffle 5, a pintle 1, and a spring 4. The needle cylinder 3 is connected with a puncture needle 7 and then connected with the wrench 2, the needle core 6 is positioned in the puncture needle 7, the near end penetrates through the spring 4, the baffle 5 is connected with the pintle 1, the spring 4 is positioned between the near end of the puncture needle and the baffle 5, the spring 4, part of the needle core 6 and the pintle 1 are positioned in the needle cylinder 3, and the far end of the needle core 6 is provided with a grabbing tooth.

The convex part of the spanner 2 has a spiral structure and can be connected with the needle cylinder 3, the spanner 2 has a hollow channel, and the pintle 1 enters the needle cylinder 3 through the channel.

The baffle 5 is in a round cake shape, a needle core 6 passes through a middle round hole, and the baffle 5 is fixed between the needle core 6 and the pintle 1.

The distal end of the stylet is provided with a grabbing tooth which comprises an upper grabbing tooth and a lower grabbing tooth, the upper grabbing tooth 6-2 is bent, the inner side of the stylet is provided with a sawtooth structure 6-1 which can increase friction force, the lower grabbing tooth is straight, the front end of the lower grabbing tooth is provided with a hook 6-3, the rear part of the lower grabbing tooth is provided with a groove 6-4, the grabbing tooth can be elastically opened in a free state, and the grabbing tooth can be embedded in the groove in a closed state.

The puncture needle 7 is a hollow tube cavity, the far end of the tube cavity is an oblique section, the near end of the tube cavity is connected with the needle cylinder 3, and a needle core 6 passes through the tube cavity.

In the process of sewing the abdominal wall puncture hole, the puncture hook wire needle is matched with the puncture sheath for use, the stylet 6 is pushed forwards to enable the grasping teeth to open due to elasticity, the suture line can be grasped, and the stylet 6 retracts into the puncture needle 7 due to the tension of the spring 4 after the hand is released to enable the grasping teeth to close and clamp the suture line tightly. The suture line can be brought into the abdominal cavity by the puncture suture line needle after being gripped by the puncture suture line needle through the positioning channel at one side of the abdominal cavity puncture sheath, the round hole and the abdominal wall tissue punctured at the upper end of the concave structure, and then the suture line is entered into the abdominal cavity through the positioning channel at the other side of the abdominal cavity puncture sheath, the round hole and the upper end of the concave structure and gripped by other instruments in the abdominal cavity, and the suture line is pulled out of the body to complete knotting.

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

Claims

1. The utility model provides a puncture crochet hook line needle of abdominocentesis stitching instrument, its characterized in that, includes pjncture needle, cylinder, spanner, nook closing member, baffle, pintle and spring, the pjncture needle is connected with the cylinder, and the cylinder is connected with the spanner, the nook closing member is located the pjncture needle, and the near-end passes behind spring and the baffle to be connected with the pintle, and the spring is located between pjncture needle near-end and the baffle, and the nook closing member distal end has grabs the tooth, baffle, spring and nook closing member and pintle junction are located inside the cylinder.

2. A puncture suture needle of an abdominal cavity puncture suture instrument according to claim 1, characterized in that: the convex part of the spanner has a spiral structure and can be connected with the needle cylinder, the spanner has a hollow channel, and the pintle enters the needle cylinder through the channel.

3. A puncture suture needle of an abdominal cavity puncture suture instrument according to claim 1, characterized in that: the baffle is in a round cake shape, the needle core passes through the round hole in the middle, and the baffle is fixed between the needle core and the pintle.

4. A puncture suture needle of an abdominal cavity puncture suture instrument according to claim 1, characterized in that: the needle core far end has the grabbing tooth, grabs the tooth including upper and lower grabbing tooth, goes up and grabs the tooth bending, and the inboard has the multiplicable frictional force of sawtooth structure, grabs the tooth straight down, and the front end is the hook, and the rear is the recess, but grabs tooth elasticity under the free state and open, can the gomphosis in the recess under the closed state.

5. A puncture suture needle of an abdominal cavity puncture suture instrument according to claim 1, characterized in that: the puncture needle is a hollow tube cavity, the far end of which is an oblique section, and the near end of which is connected with the needle cylinder.