CN211243568U

CN211243568U - Operation ligator

Info

Publication number: CN211243568U
Application number: CN201921352398.XU
Authority: CN
Inventors: 刘鸿箫; 朱俊明; 尤斌; 李红武; 于洋
Original assignee: Meiyin Beijing Medical Equipment Research And Development Co ltd; Opinstruments GmbH
Current assignee: Meiyin Beijing Medical Equipment Research And Development Co ltd; Opinstruments GmbH
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-08-14
Anticipated expiration: 2029-08-20

Abstract

The utility model provides an operation ligator relates to medical ligation equipment technical field, include: the connecting pipe outside the connecting piece is located to chuck, connecting piece and cover to and the driving handle who is connected through connecting piece and chuck transmission, the first end and the driving handle of connecting pipe are connected, the second end and the chuck cooperation that the connecting pipe is relative with first end, the tip of keeping away from the connecting pipe at driving handle's driving chuck is close to or keeps away from the second end motion when the chuck can open or close, wherein, the one end that the connecting pipe is close to the chuck sets up the through-hole. The utility model discloses an one end that is close to the chuck at the connecting pipe sets up the through-hole, and in chuck position cleaning and disinfection, the washing liquid not only can fully contact with the connecting pipe of chuck position, remains the blood or the sick body tissue in the connecting pipe simultaneously and can follow the through-hole and flow, greatly reduced remain in the inside volume of connecting pipe, cross infection's probability between the patient of avoiding reduces the emergence of medical accident.

Description

Operation ligator

Technical Field

The utility model relates to a medical ligation equipment technical field, more specifically relates to an operation ligator.

Background

Laparoscopic surgery or thoracoscopic surgery is a newly developed minimally invasive method and is an inevitable trend for the development of future surgical methods. When the operation is performed in a laparoscope or a thoracoscope, the operations such as knotting, ligation and the like are performed, and the operation is performed by an operation ligator because the operation incision is small, the position is deep, and the knotting is time-consuming and labor-consuming.

Surgical ligators typically include a collet and a connecting tube through which the collet is fed into a laparoscope or thoracoscope, the collet location often being in contact with the patient, and cleaning and sterilization of the collet location is particularly important in order to avoid cross-contamination between patients. But it is difficult to perform effective cleaning and sterilization due to the thin connection pipe.

SUMMERY OF THE UTILITY MODEL

In order to solve because the connecting pipe is thinner, connecting pipe chuck position hardly carries out effectual washing and disinfection technical problem, the utility model provides an operation ligator, include: the connecting pipe outside the connecting piece is located to chuck, connecting piece and cover to and the driving handle who is connected through connecting piece and chuck transmission, the first end and the driving handle of connecting pipe are connected, the second end and the chuck cooperation that the connecting pipe is relative with first end, the tip of keeping away from the connecting pipe at driving handle's driving chuck is close to or keeps away from the second end motion when the chuck can open or close, wherein, the one end that the connecting pipe is close to the chuck sets up the through-hole.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

Fig. 1 is an exploded view of the surgical ligator according to the present invention;

FIG. 2 is a schematic structural view of the chuck shown in FIG. 1;

FIG. 3 is a schematic view of the drive handle of FIG. 1;

FIG. 4 is a schematic view of the connection tube shown in FIG. 1;

FIG. 5 is a schematic view of the second end port structure of the connection tube shown in FIG. 4;

fig. 6 is a schematic view of the operation state of the surgical ligator provided by the present invention;

FIG. 7 is a schematic view of another alternative surgical ligator clip according to the present invention;

fig. 8 is a schematic structural view of a driving handle of another surgical ligator provided by the present invention;

reference numerals

10-surgical ligator; 20-a chuck; 21-a first clamping part, 211-a first clamping section, 212-a first extension section, 213-a first groove, 214-a first clamping part mating surface; 22-a second clamping part, 221-a second clamping section, 222-a second extension section, 223-a second groove, 224-a second clamping part mating surface; 23-a first connection; 24-elastic element, 30-connecting element, 40-connecting tube, 41-first end, 42-second end, 43-through hole, 44-first part, 45-second part, 50-driving handle, 51-handheld part, 52-connecting rod, 53-second connecting part.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

The utility model provides a surgical ligator 10, as shown in figures 1-3, comprising: the clamping head 20, the connecting piece 30, a connecting pipe 40 sleeved outside the connecting piece 30, and an actuating handle 50 in transmission connection with the clamping head 20 through the connecting piece 30, wherein a first end 41 of the connecting pipe 40 is connected with the actuating handle 50, a second end 42 of the connecting pipe 40 opposite to the first end 41 is matched with the clamping head 20, the clamping head 20 can be opened or closed when the end of the actuating handle 50, far away from the connecting pipe 40, of the clamping head 20 moves close to or far away from the second end 42, and a through hole 43 is formed in one end of the connecting pipe 40, close to the clamping head 20.

The utility model discloses an one end that is close to chuck 20 at connecting pipe 40 sets up through-hole 43, and in the clean disinfection in chuck 20 position, the washing liquid not only can fully contact with the connecting pipe 40 of chuck 20 position, remains the blood or the sick body tissue in connecting pipe 40 simultaneously and can follow through-hole 43 and flow, greatly reduced remain in the inside volume of connecting pipe 40, cross infection's probability between the patient of avoiding reduces the emergence of medical accident.

In some embodiments, as shown in fig. 1 and 4, the connection tube 40 includes a first portion 44 and a second portion 45 that are removably connected, the first portion 44 being closer to the collet 20 than the second portion 45, and the through-hole 43 being disposed in the first portion 44. Thus, during cleaning, the first part 44 and the second part 45 can be detached, and the first part 44 matched with the chuck 20 is cleaned intensively, and only the first part 44 needs to be replaced when the connecting pipe 40 used for a long time is replaced, so that the use cost of the surgical equipment is further saved.

Further, the length of the first portion 44 is 2cm to 10 cm. The length of the first portion 44 is such that the clip 20 does not extend beyond the first portion 44 when it extends into the first portion 44. The first portion 44 is too short and the clip 20 can penetrate into the second portion 45, which increases the difficulty of cleaning the surgical ligator 10, and the first portion 44 is too long and difficult to clean, which increases the cost of replacing the first portion 44.

In some embodiments, the through hole 43 passes through the connection tube 40.

In some embodiments, as shown in fig. 5, the port of the second end 42 is a kidney-shaped hole. The kidney-shaped holes can play a role in positioning, so that the situation that the clamping direction of the clamping heads 20 is perpendicular to the clamping direction of the clamping heads 20 is avoided between the clamping heads 20, the phenomenon that the clamping heads 20 have staggered teeth is prevented, and the clamping stability of the clamping heads 20 is improved.

In some embodiments, as shown in fig. 5, the wall of the first end 41 and/or the second end 42 of the connecting tube 40 is thicker than the location between the first end 41 and the second end 42. The thickness of the end of the connecting pipe 40 is increased, so that the strength of the end of the connecting pipe 40 can be increased, the thinness of the connecting pipe 40 is guaranteed, the minimally invasive instrument is met, and meanwhile, the weight of the instrument is reduced.

In some embodiments, as shown in fig. 2, the clamping device includes a first clamping portion 21, a second clamping portion 22, and a first connecting portion 23, wherein ends of the first clamping portion 21 and the second clamping portion 22 are fixedly connected to the first connecting portion 23, other ends of the first clamping portion 21 and the second clamping portion 22 extend outwards and are away from each other, and a connecting member 30 is connected to the first connecting portion 23. In the present embodiment, the clip head 20 is shaped like a pair of tweezers, and when the driving handle 50 drives the end of the clip head 20 far away from the connecting tube 40 to move towards the connecting tube 40, the first clamping portion 21 and the second clamping portion 22 are closed under the compression of the second end 42 of the connecting tube 40, and clamp the blood vessel or the fallopian tube to complete the ligation. When the driving handle 50 drives the end of the chuck 20 away from the connecting tube 40 to move away from the connecting tube 40, the first clamping portion 21 and the second clamping portion 22 can be opened by their own elasticity.

In some embodiments, as shown in fig. 7, the chuck 20 includes a first clamping portion 21 and a second clamping portion 22, wherein an end of the first clamping portion 21 is hinged to a middle portion of the second clamping portion 22, an end of the second clamping portion 22 is connected to the connecting member 30, and an elastic member is disposed between the first clamping portion 21 and the second clamping portion 22. In the present embodiment, the collet 20 has a clip-like structure, and the first and

second clamping parts

21 and 22 are opened by the tension of the elastic member and then closed by the compression of the connection pipe 40.

Optionally, as shown in fig. 2, the mating surfaces of the first clamping portion 21 and the second clamping portion 22, which mate with the second end 42, are cambered surfaces. This reduces the resistance of the cartridge 20 to entering the connector tube 40 and reduces the drive force required to drive the handle 50.

Alternatively, as shown in fig. 2, a first groove 213 is disposed on a side of the first clamping portion 21 close to the second clamping portion 22, and the second clamping portion 22 is provided with a second groove 223 matched with the first groove 213.

In some embodiments, as shown in fig. 3, the driving handle 50 includes a hand-held portion 51, a second connecting portion 53 and a connecting rod 52, the second connecting portion 53 is connected to the connecting tube 40 at one end, and is connected to an end of the hand-held portion 51 far from the connecting tube 40 at the other end, the connecting rod 52 is hinged to the connecting piece 30 and the hand-held portion 51, respectively, and the hinged end of the connecting rod 52 and the hand-held portion 51 is closer to the connecting tube 40 than the hinged end of the connecting rod 52 and the connecting piece 30.

In some embodiments, as shown in fig. 8, the driving handle 50 includes a holding portion 51 and a link 52, the holding portion 51 is connected to the connection pipe 40, a middle portion of the link 52 is hinged to the holding portion 51, one end of the link 52 is hinged to the connection member 30, and the other end is a free end.

Example one

The clamping head 20 is used for clamping blood vessels or fallopian tubes and the like and comprises a first clamping portion 21, a second clamping portion 22 and a first connecting portion 23, the end portions of the first clamping portion 21 and the second clamping portion 22 are fixedly connected with the first connecting portion 23, the other ends of the first clamping portion 21 and the second clamping portion 22 extend outwards and are far away from each other, and a connecting piece 30 is connected with the first connecting portion 23. Specifically, as shown in fig. 2, the first clamping portion 21, the second clamping portion 22 and the first connecting portion 23 are integrally formed and made of an elastic material. The elastic material can be made of stainless steel, polyurethane, silicon rubber, polyester fiber, polyvinylpyrrolidone, polyether-ether-ketone, polymethyl methacrylate, polyvinyl alcohol, polylactic acid or polyethylene and the like. Further, the first clamping portion 21 includes a first extending section 212 and a first clamping section 211, and the second clamping portion 22 includes a second extending section 222 and a second clamping section 221. The ends of the first extension 212 and the second extension 222 are connected to the first connection portion 23, and a distance is maintained between the first extension 212 and the second extension 222. The first extension section 212 and the second extension section 222 have a larger flexibility, which is beneficial for the first clamping section 211 and the second clamping section 221 to approach each other. Optionally, a first groove 213 is disposed on one side of the first clamping section 211 close to the second clamping section 221, and the second clamping section 221 is provided with a second groove 223 matched with the first groove 213. When the opposite sides of the first and second clamping

portions

21 and 22 are fitted, the first and

second grooves

213 and 223 enclose an approximately circular shape. When ligating using the surgical ligator 10, a blood vessel or fallopian tube may be clamped within the first groove 213. In the present embodiment, the collet 20 is shaped like a tweezers, and the first holding portion 21 and the second holding portion 22 are opened by the elasticity of the material thereof.

The connecting member 30 is connected at one end to the connecting portion of the chuck 20. The connecting member 30 may be in the form of an elongated rod, or may be in the form of a connecting rod 52, which is not limited herein. The coupling 30 serves to transmit the driving force of the driving handle 50 to the chuck 20.

The connecting pipe 40 is sleeved outside the connecting piece 30. As shown in fig. 3, the end of the connecting tube 40 remote from the chuck 20 is connected to an actuating handle 50. The connection pipe 40 may be rigid or may have a certain flexibility. The pipe diameter of the connecting pipe 40 is adapted to the connecting member 30. The thinner the connecting tube 40, the better the functionality is ensured.

The driving handle 50 is connected with the connecting pipe 40, and the driving handle 50 is in transmission connection with the chuck 20 through the connecting piece 30. The driving handle 50 includes a hand-held portion 51, a second connecting portion 53 and a connecting rod 52, wherein one end of the second connecting portion 53 is connected to the connecting pipe 40, the other end is connected to an end of the hand-held portion 51 far away from the connecting pipe 40, the connecting rod 52 is respectively hinged to the connecting member 30 and the hand-held portion 51, and the hinged end of the connecting rod 52 and the hand-held portion 51 is closer to the connecting pipe 40 than the hinged end of the connecting rod 52 and the connecting member 30. Specifically, as shown in fig. 3, the handheld portion 51 includes at least two handheld sections, and an end of the handheld section away from the connecting tube 40 is fixedly connected to the second connecting portion 53. At least one of the hand-held segments is hinged to the link 52 at an end adjacent to the connection tube 40. The second connecting portion 53 may be a tubular structure with an open tube wall, the second connecting portion 53 is sleeved with the connecting tube 40, and the connecting member 30 may penetrate through the second connecting portion 53. The second connecting portion 53 may have other structures, such as a rod-shaped structure with a clip at one end, and the clip is engaged with the connecting tube 40, which is not limited herein. The end of the connector 30 may be hinged to the link 52 at the tube opening location. As shown in fig. 6, when the hand-held segment is pressed by external force to move towards the direction close to the second connecting portion 53, the end of the clamping head 20 far away from the connecting tube 40 can be driven to move towards the connecting tube 40, and the first clamping portion 21 and the second clamping portion 22 are closed under the extrusion of the second end 42 of the connecting tube 40, so as to clamp the blood vessel or the fallopian tube to complete the ligation. When the external force is removed from the holding section and the end of the clamping head 20 away from the connecting tube 40 moves in a direction away from the connecting tube 40, the first clamping portion 21 and the second clamping portion 22 can be opened by their own elasticity.

As shown in fig. 1 and 4, a through hole 43 is provided at one end of the connection pipe 40 near the collet 20. Specifically, the through hole 43 may be a through hole 43 penetrating the connection pipe 40. The number and the diameter of the through holes 43 are determined according to the strength of the connection pipe 40 and the length of the collet 20.

In some embodiments, as shown in fig. 1 and 4, the connection tube 40 may include a first portion 44 and a second portion 45, wherein the first portion 44 is closer to the collet 20 than the second portion 45, and the first portion 44 is provided with the through hole 43. Thus, during cleaning, the first part 44 and the second part 45 can be detached, and the first part 44 matched with the chuck 20 is cleaned intensively, and only the first part 44 needs to be replaced when the connecting pipe 40 used for a long time is replaced, so that the use cost of the surgical equipment is further saved.

In some embodiments, as shown in fig. 5, the first end 41 or/and the second end 42 of the connecting tube 40 has a greater wall thickness than the middle of the first end 41 and the second end 42. The thickness of the end of the connecting pipe 40 is increased, so that the strength of the end of the connecting pipe 40 can be increased, the thinness of the connecting pipe 40 is guaranteed, the minimally invasive instrument is met, and meanwhile, the weight of the instrument is reduced.

In some embodiments, as shown in fig. 5, the port at the second end 42 of the connecting tube 40 is a kidney-shaped hole. The kidney-shaped holes can play a role in positioning, so that the situation that the clamping direction of the clamping heads 20 is perpendicular to the clamping direction of the clamping heads 20 is avoided between the clamping heads 20, the phenomenon that the clamping heads 20 have staggered teeth is prevented, and the clamping stability of the clamping heads 20 is improved.

In some embodiments, as shown in fig. 2, the mating surfaces of the first clamping portion 21 and the second clamping portion 22 with the second end 42 are cambered surfaces. That is, the first clamping portion mating surface 214 and the second clamping portion 224 mating surface are curved surfaces. This reduces the resistance of the collet 20 to entering the connecting tube 40.

Example two

The present embodiment provides a surgical ligator 10, as shown in fig. 7, differently from the surgical ligator 10 provided in the first embodiment in the structure of the clip 20.

Specifically, as shown in fig. 7, the chuck 20 includes a first clamping portion 21 and a second clamping portion 22, an end of the first clamping portion 21 is hinged to a middle portion of the second clamping portion 22, an end of the second clamping portion 22 is connected to the connecting member 30, and an elastic member is disposed between the first clamping portion 21 and the second clamping portion 22. The middle position refers to between the two ends of the second clamping portion 22. The elastic member may be a spring, or an elastic steel bar, which is not limited herein.

In the present embodiment, the collet 20 has a clip-like structure, and the first and

second clamping parts

EXAMPLE III

The present embodiment provides a surgical ligator 10, as shown in fig. 8, differing from the surgical ligator 10 provided in the first embodiment in a driving handle 50.

Specifically, as shown in fig. 8, the driving handle 50 includes a holding portion 51 and a connecting rod 52, the holding portion 51 is connected to the connecting pipe 40, a middle portion of the connecting rod 52 is hinged to the holding portion 51, one end of the connecting rod 52 is hinged to the connecting member 30, and the other end is a free end. The drive handle 50 is trigger-like in construction. When the free end of the link 52 moves away from the hand-held portion 51, the first and

second clamping portions

21 and 22 are closed.

In the description of the present invention, it is to be understood that the terms "connected" and "coupled," unless otherwise specified, include both direct and indirect connections.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A surgical ligator, comprising: chuck, connecting piece and cover are located connecting pipe outside the connecting piece, and pass through the connecting piece with the driving handle that the chuck transmission is connected, the first end of connecting pipe with driving handle connects, the second end that connecting pipe and first end are relative with the chuck cooperation driving handle drive the tip that the connecting pipe was kept away from to the chuck is close to or keeps away from during the motion of second end the chuck can open or be closed, wherein, the connecting pipe is close to the one end of chuck sets up the through-hole.

2. The surgical ligator of claim 1 wherein the connecting tube includes a first portion and a second portion that are removably connected, the first portion being closer to the collet than the second portion, the through hole being provided in the first portion.

3. The surgical ligator of claim 2 wherein the length of the first portion is between 2cm and 10 cm.

4. The surgical ligator of claim 1 wherein the through hole passes through the connecting tube.

5. The surgical ligator of claim 1 wherein the second end is a kidney shaped aperture.

6. The surgical ligator of claim 1 wherein the vessel wall of the first end and/or the second end is thicker than at a location between the first end and the second end.

7. The surgical ligator of any one of claims 1 to 6 wherein the collet includes a first clamping portion, a second clamping portion and a first connecting portion, the ends of the first and second clamping portions being fixedly connected to the first connecting portion, the other ends of the first and second clamping portions extending outwardly and away from each other, the connecting member being connected to the first connecting portion;

or the chuck includes first clamping part and second clamping part, the tip of first clamping part with second clamping part middle part position is articulated, the tip of second clamping part with the connecting piece is connected, set up the elastic component between first clamping part and the second clamping part.

8. The surgical ligator of claim 7 wherein the mating surfaces of the first and second clip portions that mate with the second end are curved surfaces.

9. The surgical ligator of claim 8 wherein a side of the first clip portion adjacent the second clip portion is provided with a first groove and the second clip portion is provided with a second groove that mates with the first groove.

10. The surgical ligator of any one of claims 1 to 6 wherein the drive handle includes a handle portion, a second connecting portion connected at one end to the connecting tube and at the other end to an end of the handle portion remote from the connecting tube, and a link hingedly connected to the connecting member and the handle portion respectively, the hinged end of the link and handle portion being closer to the connecting tube than the hinged end of the link and connecting member;

or the driving handle comprises a handheld part and a connecting rod, the handheld part is connected with the connecting pipe, the middle position of the connecting rod is hinged to the handheld part, one end of the connecting rod is hinged to the connecting piece, and the other end of the connecting rod is a free end.