CN211433093U

CN211433093U - Suture needle mounting tool of laparoscopic suture instrument

Info

Publication number: CN211433093U
Application number: CN201922150617.2U
Authority: CN
Inventors: 沈行; 周长林; 蒋丽华; 谢茹华; 刘建平; 洪卫兰
Original assignee: Bonnie Medical Technology Changzhou Co ltd
Current assignee: Bonnie Medical Technology Changzhou Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-09-08
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a mounting tool for a suture needle of a laparoscope suturing device, which comprises a hand-held handle and a mounting handle fixed on the right side of the hand-held handle, wherein the mounting handle is correspondingly matched with a notch, and the mounting handle is respectively provided with an upper boss layer and a mounting layer from top to bottom; the upper lug boss layer is matched with the notch; the upper bulge of the mounting layer is provided with a mounting lug, a gap is formed between the mounting lug and the upper boss, and the position of the mounting lug corresponding to the gap is provided with a bulge in a projecting manner towards the right side; the front end of the movable cover plate is provided with a movable presser foot; the upper surface of the front end of the supporting plate is also concavely provided with a positioning groove, the positioning groove is communicated with the end surface of the notch, and the lower end surface of the mounting layer corresponding to the upper lug boss layer protrudes towards the right side and is provided with a positioning lug boss. The utility model has the advantages of reasonable design, can reverse rapidly and press into the needle groove with the sewing needle, and removable cover's design then can be convenient for wholly break away from the sewing needle with the mounting panel, but convenient and fast ground will sew up the needle and install the stitching instrument head.

Description

Suture needle mounting tool of laparoscopic suture instrument

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a suture needle mounting tool of a laparoscopic suture instrument.

Background

The laparoscopic surgery is a surgery performed by using a laparoscope and related instruments, uses a cold light source to provide illumination, inserts a laparoscopic lens (with the diameter of 3-10mm) into an abdominal cavity, uses a digital camera technology to transmit an image shot by the laparoscopic lens to a post-stage signal processing system through an optical fiber, and displays the image on a special monitor in real time, and then a doctor analyzes and judges the state of an illness of a patient through images of different angles of organs of the patient displayed on a monitor screen, and performs the surgery by using special laparoscopic instruments.

A laparoscope stitching instrument is a main instrument in laparoscopic surgery. An ordinary laparoscopic suturing device generally adopts an arc-shaped suturing needle, and the suturing needle is driven to rotate 360 degrees at the head of the suturing device through the excitation of a handle of the suturing device so as to drive a suture to carry out suturing operation. Since the head of the suturing device is small and the suturing rod is long, when the suturing needle is installed on the head of the suturing device, if the suturing device is directly taken up and the suturing needle is installed on the head, the overlong suturing rod hangs under the hand, a large operation space is needed, the suturing rod is not stably held, installation needs to be carried out corresponding to the position of the suturing needle during installation, the alignment process is complex, the operation is inconvenient, and a mechanism capable of conveniently installing the suturing needle on the suturing device needs to be additionally designed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the utility model provides a laparoscopic suture needle mounting tool which has reasonable structural design, simple alignment and convenient and fast installation of a suture needle and a suture instrument.

The utility model provides a technical scheme that its technical problem adopted is: a suture needle mounting tool of a laparoscopic suture instrument is used for mounting a suture needle to a head part of the suture instrument, the head comprises a supporting plate, the upper surface of the front end of the supporting plate is provided with a needle groove, the needle groove is of an arc structure, the front end of the supporting plate is provided with a notch which is concave inwards corresponding to the arc-shaped structure of the needle groove, the sewing needle is arranged in the needle groove, the upper surface of the supporting plate is also connected with a movable cover plate in a sliding way, the lower surface of the movable cover plate is pressed on the upper surface of the supporting plate, the lower surface of the front end of the movable cover plate is pressed above the needle groove of the supporting plate, the tail part of the rear end of the movable cover plate is elastically connected with the supporting plate, the installation tool of the suture needle of the laparoscopic suture instrument comprises a handheld handle and an installation handle fixed on the right side of the handheld handle, the mounting handle is correspondingly matched with the notch, and the mounting handle is provided with an upper boss layer and a mounting layer from top to bottom respectively; the upper lug boss layer is matched with the notch, the shape of the upper lug boss layer is consistent with that of the notch, and the thickness of the upper lug boss layer is consistent with that of the notch; the installing layer is provided with an installing lug protruding upwards, a gap is formed between the installing lug and the upper lug, the installing lug protrudes towards the right side corresponding to the gap, and the sewing needle is clamped in the gap between the protrusion and the upper lug and extends out of the end face of the rightmost side of the installing layer rightwards; the front end of the movable cover plate is provided with a movable presser foot which is matched and pressed with the rightmost end face part of the sewing needle extending out of the mounting layer; the mounting layer correspond upper boss layer lower extreme to the protrusion of right side have with constant head tank matched with location lug.

Furthermore, in order to facilitate the suture needle to be aligned and pressed in the needle groove more conveniently, an auxiliary block which protrudes rightwards and is pressed on the upper surface of the supporting plate is arranged below the mounting layer and corresponds to the position of an area which is not covered in the moving track of the movable presser foot.

Furthermore, the upper surface of the supporting plate corresponds to the rear of the installation position of the sewing needle, a housing is covered on the upper surface of the supporting plate, a pushing groove is formed in the housing corresponding to the motion track of the movable cover plate, a spring is elastically connected between the tail of the rear end of the movable cover plate and the supporting plate, one end of the spring is connected with the tail of the rear end of the movable cover plate, the other end of the spring is connected to the supporting plate below the housing, and the connection position is located behind the projection of the pushing groove.

Preferably, the projection of the notch consists of a rectangle and a semicircle or a minor arc connected to one side of the rectangle, wherein the radius of the semicircle or the minor arc is smaller than that of the needle groove.

Furthermore, in order to effectively press the sewing needle and facilitate the separation of the sewing needle from the mounting lug and the upper boss layer, the front end of the movable cover plate is respectively and symmetrically provided with two movable press feet, each movable press foot comprises an arc-shaped part connected with the movable cover plate and a transverse part connected to the end part of the arc-shaped part, the transverse part and the arc-shaped part form a 7-shaped structure, and the 7-shaped structures of the two movable press feet are arranged in a back-to-back manner.

In the scheme, the installation handle matched with the notch is skillfully designed, the suture needle is placed on the installation handle and is reversely and correspondingly pressed on the supporting plate, the suture needle is correspondingly pressed with the needle groove, the suture needle is separated from the installation plate through the sliding pressing of the movable cover plate, and the installation process of the suture needle is completed.

The beneficial effects of the utility model are that, the utility model provides a needle mounting tool is sewed up to peritoneoscope stitching instrument, structural design is reasonable, through the cooperation of last boss and breach, location lug and constant head tank, can reverse rapidly to press into the needle groove with the sewing needle, and removable cover's design then can be convenient for break away from sewing needle and mounting panel are whole, can install the stitching instrument head with the sewing needle convenient and fast ground.

Drawings

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

FIG. 1 is a schematic view of the preferred embodiment of the present invention with the needle mounted on the mounting tool.

FIG. 2 is a schematic view of the head of the suturing device in the preferred embodiment of the present invention.

Fig. 3 is a schematic view of the movable presser foot not pressed against the suture needle during installation of the present invention.

Fig. 4 is a schematic structural view of the movable presser foot pressed against the sewing needle during installation of the present invention.

Fig. 5 is a schematic structural view of the suture needle of the present invention after being installed.

In the figure, the sewing machine comprises a handheld handle 1, a mounting lug 3, a bulge 4, a mounting table surface 5, a sewing needle 6, an upper lug layer 7, a positioning lug 8, an auxiliary block 9, a needle groove 10, a supporting plate 11, a positioning groove 12, a movable presser foot 12-1, a transverse part 12-2, an arc part 13, a movable cover plate 14, a gap 15 and a cover shell.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

A laparoscopic suture needle mounting tool as shown in fig. 1 and 2, which is the preferred embodiment of the present invention, is used for mounting a suture needle 5 to a head of a suture instrument, the head includes a supporting plate 10, a needle groove 9 is opened on the upper surface of the front end of the supporting plate 10, the needle groove 9 is an arc-shaped structure, and a notch 14 is formed by inwardly recessing the front end of the supporting plate 10 corresponding to the arc-shaped structure of the needle groove 9. The projection of the notch 14 consists of a rectangle and a semicircle or a minor arc connected to one side of the rectangle, wherein the radius of the semicircle or the minor arc is smaller than that of the needle groove 9. The sewing needle 5 is arranged in the needle groove 9, the upper surface of the supporting plate 10 is also connected with a movable cover plate 13 in a sliding mode, the lower surface of the movable cover plate 13 is in compression joint with the upper surface of the supporting plate 10, the lower surface of the front end of the movable cover plate 13 is in compression joint with the upper portion of the needle groove 9 of the supporting plate 10, and the tail portion of the rear end of the movable cover plate is in elastic connection with the supporting plate 10.

The upper surface of the supporting plate 10 corresponds to the rear of the installation position of the sewing needle 5, a housing 15 covered on the upper surface of the supporting plate 10 is arranged, a push groove is formed in the housing 15 corresponding to the motion track of the movable cover plate 13, a spring is elastically connected between the tail of the rear end of the movable cover plate 13 and the supporting plate 10, one end of the spring is connected with the tail of the rear end of the movable cover plate 13, the other end of the spring is connected to the supporting plate 10 below the housing 15, and the connection position is located behind the projection of the push groove.

The mounting tool for the suture needle of the laparoscopic suture instrument comprises a handheld handle 1 and a mounting handle fixed on the right side of the handheld handle 1, wherein the mounting handle is correspondingly matched with the notch 14, and the mounting handle is respectively provided with an upper boss layer 6 and a mounting layer 4 from top to bottom; the upper lug boss layer 6 is matched with the notch 14, the shape of the upper lug boss layer 6 is consistent with that of the notch 14, and the thickness of the upper lug boss layer 6 is consistent with that of the notch 14.

The installation layer 4 on the protruding have installation lug 2, installation lug 2 and last boss between have the clearance, installation lug 2 correspond this clearance position department to the right side protrusion have protruding 3, the joint of sewing needle 5 in protruding 3 and last boss clearance between and stretch out the installation layer 4 rightmost side end face rightwards.

The front end of the movable cover plate 13 is provided with a movable presser foot 12 which is matched and pressed with the rightmost end face part of the sewing needle 5 extending out of the mounting layer 4; the upper surface of the front end of the supporting plate 10 is also provided with a positioning groove 11, the positioning groove 11 is communicated with the end face of the notch 14, and the lower end face of the mounting layer 4, corresponding to the upper lug layer 6, is provided with a positioning lug 7 which is matched with the positioning groove 11 in a protruding mode towards the right side.

In order to facilitate the suture needle 5 to be aligned and pressed in the needle groove 9 more conveniently, an auxiliary block 8 which protrudes rightwards and is pressed on the upper surface of the supporting plate 10 is arranged below the mounting layer 4 and corresponds to the position of an area which is not covered in the moving track of the movable presser foot 12.

In practical design, in order to effectively press the sewing needle 5 and facilitate the sewing needle 5 to be detached from the space between the mounting lug 2 and the upper lug layer 6, two movable press feet 12 are symmetrically arranged at the front end of the movable cover plate 13 respectively, each movable press foot 12 comprises an arc-shaped part 12-2 connected with the movable cover plate 13 and a transverse part 12-1 connected to the end part of the arc-shaped part 12-2, the transverse part 12-1 and the arc-shaped part 12-2 form a 7-shaped structure, and the 7-shaped structures of the two movable press feet 12 are arranged in a back direction.

As shown in fig. 3 to 5, the needle 5 is installed as follows:

and taking out the sewing needle installation tool, holding the handle 1 by hand, taking out the sewing needle 5, and pressing the sewing needle 5 in a gap between the installation lug 2 and the upper lug boss layer 6. The laparoscopic suturing instrument is taken out, the movable cover plate 13 is pushed to contract backwards, the complete needle groove 9 is exposed, then the handheld handle 1 is turned over, the whole installation tool provided with the suturing needle 5 is turned over 180 degrees, at the moment, the upper surface of the upper boss layer 6 is turned over downwards, the position of the notch 14 and the position of the positioning groove 11 correspond to the position of the notch 11, the positioning lug 7 is pressed into the positioning groove 11, and the auxiliary block 8 is pressed on the supporting plate 10. At the moment, the position of the sewing needle 5 corresponds to the position of the needle groove 9, the part of the sewing needle 5 is pressed in the needle groove 9, the part of the sewing needle 5, which is positioned in the gap 14, is clamped with the upper lug layer 6 by the mounting lug 2, then the movable cover plate 13 is loosened, the movable cover plate 13 is reset under the action of the spring elasticity, the movable presser foot 12 is pressed on the position of the sewing needle 5, which extends out of the mounting layer, at the moment, the handle 1 is lifted upwards, and the sewing needle 5 is pressed by the movable presser foot 12 and cannot be lifted upwards together, so that the sewing needle 5 is gradually separated from the mounting handle until the sewing needle is completely separated from the mounting handle.

The sewing needle mounting tool of the laparoscopic suturing instrument is reasonable in structural design, the sewing needle 5 corresponds to the needle groove 9 in position by skillfully matching the upper lug boss layer 6 with the notch 14 and matching the positioning lug 7 with the positioning groove 11 and placing the sewing needle 5 on the mounting handle and reversely pressing the sewing needle 5 onto the supporting plate 10 correspondingly, the sewing needle 5 is separated from the mounting plate by sliding pressing of the movable cover plate 13, the sewing needle 5 is pressed into the needle slot to complete the mounting process of the sewing needle 5, and the sewing needle 5 can be quickly and reversely pressed into the needle slot 9.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a peritoneoscope stitching instrument sewing needle mounting tool for install sewing needle (5) to the stitching instrument head, the head include layer board (10), layer board (10) front end upper surface on seted up needle groove (9), needle groove (9) be the arc structure, layer board (10) front end correspond the arc structure of needle groove (9) inwards cave in and have breach (14), sewing needle (5) install to needle groove (9) in, layer board (10) upper surface on still sliding connection have removable cover board (13), removable cover board (13) lower surface crimping on layer board (10) upper surface, removable cover board (13) front end lower surface crimping in needle groove (9) top, rear end afterbody and layer board (10) elastic connection of layer board (10), its characterized in that: the mounting tool for the suture needle of the laparoscopic suture instrument comprises a handheld handle (1) and a mounting handle fixed on the right side of the handheld handle (1), wherein the mounting handle is correspondingly matched with a notch (14), and the mounting handle is provided with an upper boss layer (6) and a mounting layer (4) from top to bottom; the upper lug boss layer (6) is matched with the notch (14), the shape of the upper lug boss layer (6) is consistent with that of the notch (14), and the thickness of the upper lug boss layer (6) is consistent with that of the notch (14); the installing layer (4) is provided with an installing convex block (2) in an upward protruding mode, a gap is formed between the installing convex block (2) and the upper convex block, a bulge (3) is arranged at the position, corresponding to the gap, of the installing convex block (2) in a protruding mode towards the right side, the sewing needle (5) is clamped in the gap between the bulge (3) and the upper convex block and extends out of the end face of the rightmost side of the installing layer (4) rightwards; the front end of the movable cover plate (13) is provided with a movable presser foot (12) which is matched and pressed with the end face part of the right side of the sewing needle (5) extending out of the mounting layer (4); the upper surface of the front end of the supporting plate (10) is also provided with a positioning groove (11) in a concave mode, the positioning groove (11) is communicated with the end face of the notch (14), and the mounting layer (4) is provided with a positioning lug boss (7) matched with the positioning groove (11) in a protruding mode towards the right side corresponding to the lower end face of the upper boss layer (6).

2. The laparoscopic stapler needle installation tool of claim 1, wherein: an auxiliary block (8) which protrudes rightwards and is pressed on the upper surface of the supporting plate (10) is arranged below the mounting layer (4) corresponding to the position of an area which is not covered in the moving track of the movable presser foot (12).

3. The laparoscopic stapler needle installation tool of claim 1, wherein: the upper surface of the supporting plate (10) corresponds to the rear of the installation position of the sewing needle (5), a housing (15) covered on the upper surface of the supporting plate (10) is provided, a push groove is formed in the housing (15) corresponding to the motion track of the movable cover plate (13), a spring is elastically connected between the tail of the rear end of the movable cover plate (13) and the supporting plate (10), one end of the spring is connected with the tail of the rear end of the movable cover plate (13), the other end of the spring is connected to the supporting plate (10) below the housing (15), and the connection position is located behind the projection of the push groove.

4. The laparoscopic stapler needle installation tool of claim 1, wherein: the projection of the notch (14) consists of a rectangle and a semicircle or a minor arc connected to one side of the rectangle, wherein the radius of the semicircle or the minor arc is smaller than that of the needle groove (9).

5. The laparoscopic stapler needle installation tool of claim 1, wherein: the front end of the movable cover plate (13) is respectively and symmetrically provided with two movable press feet (12), each movable press foot (12) comprises an arc-shaped part (12-2) connected with the movable cover plate (13) and a transverse part (12-1) connected to the end part of the arc-shaped part (12-2), the transverse part (12-1) and the arc-shaped part (12-2) form a 7-shaped structure, and the 7-shaped structures of the two movable press feet (12) are arranged in a back-to-back mode.