CN219354369U - Subretinal tumor taking-out clamp - Google Patents

Abstract

The utility model discloses a subretinal tumor taking clamp, which comprises a clamping handle and an assembly cavity and a translation sliding seat which are arranged in the clamping handle, wherein a force application device for driving the translation sliding seat to move is further arranged on the clamping handle; the small incision is made on the eyes, the clamping head is enabled to move to the position of the subretinal tumor by utilizing the clamping handle and the clamping tube, the force application device is pressed down, the clamping head is enabled to be closed, the tumor is clamped by the clamping teeth to move out of the eyes, the tumor is clamped firmly, the taking out speed is high, the surgical efficiency is improved, the extra wound is reduced, and therefore damage to other tissues of the eyes is reduced, and the postoperative healing speed and the healing effect are not affected due to complications.

Description

Subretinal tumor taking-out clamp

Technical Field

The utility model relates to the technical field of foreign matter removal tools in ocular retinas, in particular to a subretinal tumor taking-out clamp.

Background

When performing fundus surgery, the operation is performed at a deep position of the eye, so that the operation space is limited, the operation method is precise and complex, and most of tools used for the operation are slender tools. For example, in the operation of taking out the subretinal tumor of the fundus disease, in order to successfully take out the subretinal tumor, the retina needs to be partially cut, and currently, flat forceps with straight 1*2 teeth and certain clamping force are used, and curved forceps are also used. When using the flat forceps, the operation of stretching into the subretinal is difficult, the needed incision is larger, the flat forceps are easy to touch with other tissues in the eyes, and therefore the risk of causing extra wounds is high; when the platform forceps are used, although the forceps can be stretched into the lower part of retina to clamp and take the tumor, the clamping force is weak, the clamping and taking object is easy to slip, and repeated clamping operation is needed, so that the operation efficiency is low, and the risk of additional wound is also increased due to repeated operation. Moreover, the incision is large, the operation time is long, the steps are complex, the tissue injury and the like can aggravate postoperative reaction, the effect after healing is affected, complications are easily caused, and unnecessary injuries are caused to the heart and the body of a patient.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a subretinal tumor taking clamp which is small in required incision and firm in clamping, and is beneficial to improving the operation efficiency and reducing extra wounds.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a retina lower tumor takes out clamp, includes cylindric clamp and gets the handle, clamp and get handle one end and be equipped with confined assembly chamber, the movable sleeve in assembly chamber is equipped with and follows clamp and get handle axis direction reciprocal translation's translation slide, just the translation slide extends to clamp and get the outside of handle, still be equipped with the drive on the clamp and get the handle translation slide removes force application device, fixed mounting has the edge on the translation slide clamp that clamp and get handle axis direction extension get the pipe, clamp and get the tip fixed mounting of handle have the edge clamp and get the pole that clamp and get handle axis direction extension, clamp get the pole movable sleeve in clamp get intraductal, just clamp and get the pole and run through translation slide activity sets up, clamp and get the tip of pole and install two cooperation use clamp and get the head, clamp and get the head to be located clamp and get the outside of pipe, two clamp and get and be equipped with on the opposite face of head and coordinate the tooth that gets.

As the preferable technical scheme, the translation slide comprises two opposite translation slide plates, wherein one translation slide plate is positioned in the assembly cavity, the other translation slide plate is arranged on the outer side of the clamping handle, and at least one translation connecting rod is connected between the two translation slide plates.

As the preferable technical scheme, force application device is including articulated press the handle that the handle outer wall was got to the clamp just corresponds the setting of assembly chamber, with the assembly chamber intercommunication is equipped with the handle adaptation hole, press the handle run through the handle adaptation hole extends to in the assembly chamber, still include spacing install in translation connecting rod periphery's slide reset spring.

As the preferable technical scheme, press from both sides and get the head including with press from both sides and get the elastic connection piece that the pole is connected, the end connection of elastic connection piece has and presss from both sides and get the piece, and two press from both sides and get the head press from both sides and get the piece and be the separation state, press from both sides and get and be formed with the curved arc that is convenient for observe on the piece.

As the preferable technical scheme, the clamping piece is far away from the end part of one side of the clamping tooth, and an anti-damage cambered surface is arranged.

As an optimal technical scheme, the clamping teeth are arranged at the end part of the clamping head and comprise tooth bodies arranged on one clamping head and tooth grooves arranged on the other clamping head and used for accommodating the tooth bodies.

As a preferable technical scheme, the end parts of the tooth body and the end parts of the tooth socket are respectively provided with flat ends.

As an improvement to the technical scheme, the surface of the clamping handle is provided with anti-slip lines.

Due to the adoption of the technical scheme, the retina lower tumor taking clamp comprises a cylindrical clamping handle, one end of the clamping handle is provided with a closed assembly cavity, a translation sliding seat capable of moving back and forth along the axial direction of the clamping handle is movably sleeved in the assembly cavity, the translation sliding seat extends to the outer side of the clamping handle, a force application device for driving the translation sliding seat to move is further arranged on the clamping handle, a clamping pipe extending along the axial direction of the clamping handle is fixedly arranged on the translation sliding seat, a clamping rod extending along the axial direction of the clamping handle is fixedly arranged at the end part of the clamping handle, the clamping rod is movably sleeved in the clamping pipe, the clamping rod penetrates through the translation sliding seat and is movably arranged, two clamping heads matched with each other are arranged at the end part of the clamping rod, and clamping teeth matched with each other are arranged on the opposite surfaces of the two clamping heads; the utility model has the following beneficial effects: when the surgical instrument is used, a small incision is formed in the eye, the clamping head is enabled to move to the position of the subretinal tumor by utilizing the clamping handle and the clamping tube, the force application device is pressed down, the clamping head is enabled to be closed, the tumor is clamped by the clamping teeth to move out of the eye, the tumor is clamped firmly, the taking out speed is high, the surgical efficiency is improved, the extra wound is reduced, and therefore damage to other tissues of the eye is reduced, and the postoperative healing speed and the healing effect are not influenced by complications.

Drawings

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model. Wherein:

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of another embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic diagram showing a comparison and enlargement of the portion A in FIG. 1 and the portion B in FIG. 2;

FIG. 5 is an enlarged schematic view of the structure at D in FIG. 4;

FIG. 6 is an enlarged schematic view of the structure at C in FIG. 2;

in the figure: 1-clamping a handle; 2-an assembly chamber; 3-anti-skid lines; 4-clamping the tube; 5-clamping the rod; 6-a translation slide plate; 7-translating the connecting rod; 8-pressing the handle; 9-a slide rest return spring; 10-elastic connecting pieces; 11-clamping the slices; 12-bending; 13-an anti-damage cambered surface; 14-tooth body; 15-alveoli.

Detailed Description

The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples. In the following detailed description, certain exemplary embodiments of the present utility model are described by way of illustration only. It is needless to say that the person skilled in the art realizes that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope.

As shown in fig. 1 and 2, the subretinal tumor removal clip is used to quickly and accurately clip the subretinal tumor and remove it from the outside of the eye. The clamping handle comprises a cylindrical clamping handle 1, and a closed assembly cavity 2 is formed in one end of the clamping handle 1. The clamping handle 1 of this embodiment is provided with two symmetrical parts, which are detachable fastening structures, so that the assembly of the components in the assembly cavity 2 can be completed rapidly. And the surface of the clamping handle 1 is provided with anti-slip lines 3, so that the friction force between the clamping handle and the hand can be increased, the clamping handle is prevented from sliding due to the influence of disposable gloves, disinfectant, sweat and the like, and the holding firmness in the operation is improved.

As shown in fig. 1 to 6, a translation sliding seat capable of moving reciprocally along the axial direction of the clamping handle 1 is movably sleeved in the assembly cavity 2, the translation sliding seat extends to the outer side of the clamping handle 1, a force application device for driving the translation sliding seat to move is further arranged on the clamping handle 1, a clamping pipe 4 extending along the axial direction of the clamping handle 1 is fixedly arranged on the translation sliding seat, a clamping rod 5 extending along the axial direction of the clamping handle 1 is fixedly arranged at the end part of the clamping handle 1, the clamping rod 5 is movably sleeved in the clamping pipe 4, the clamping rod 5 penetrates through the translation sliding seat and is movably arranged, two clamping heads matched with each other are arranged at the end part of the clamping rod 5, the clamping heads are positioned on the outer side of the clamping pipe 4, and clamping teeth matched with each other are arranged on opposite surfaces of the clamping heads. The force application device can drive the translation sliding seat to move outwards or reset, when the translation sliding seat moves outwards, the clamping tube 4 is driven to move outwards synchronously, relative displacement is formed between the clamping tube and the clamping rod 5, the two clamping heads are pressed by the end part of the clamping tube 4, the clamping heads are forced to be closed, the clamping effect of clamping teeth is achieved, and then the subretinal tumor is clamped.

As shown in fig. 6, the translation slide comprises two opposite translation slide plates 6, wherein one translation slide plate 6 is located in the assembly cavity 2, the other translation slide plate 6 is located at the outer side of the clamping handle 1, and at least one translation connecting rod 7 is connected between the two translation slide plates 6. When the force application device is used for driving the translation sliding plate 6 positioned in the assembly cavity 2 to move outwards, under the action of the translation connecting rod 7, the translation sliding plate 6 positioned at the outer side of the clamping handle 1 and the clamping pipe 4 can synchronously move outwards, so that the two clamping heads are pressed towards the closing direction by the end part of the clamping pipe 4.

As shown in fig. 6, the force application device includes a pressing handle 8 hinged to the outer wall of the gripping handle 1 and corresponding to the assembly cavity 2, a handle adapting hole is formed in communication with the assembly cavity 2, the pressing handle 8 extends into the assembly cavity 2 through the handle adapting hole, and further includes a slide seat return spring 9 mounted on the periphery of the translation connecting rod 7 in a limiting manner. The pressing handle 8 rotates when being pressed down, and the end part of the pressing handle, which is positioned in the assembly cavity 2, pushes the translation sliding plate 6 outwards to complete the closing driving of the clamping head, so that the subretinal tumor is clamped by the clamping teeth. After the clamping head moves out of the eyes through the clamping handle 1, the pressing handle 8 is loosened, under the action of the sliding seat return spring 9, the pressing handle 8, the translation sliding plate 6, the clamping tube 4 and the like return automatically, the clamping head is released to be pressed, and the swelling is taken out.

As shown in fig. 3 and 4, the gripping head includes an elastic connection piece 10 connected to the gripping rod 5, the end of the elastic connection piece 10 is connected with a gripping piece 11, and the gripping pieces 11 of the two gripping heads are in a separated state, and an arc 12 convenient for observation is formed on the gripping piece 11. The elastic connecting piece 10 has a certain deformation characteristic, and can incline towards the axial direction of the clamping handle 1 when the clamping head generates pressure on the elastic connecting piece, so that the two clamping pieces 11 are conveniently combined, and the clamping of the tumor is realized. The curved arc 12 is arranged, so that the clamping teeth can be thoroughly exposed in the visual field of medical staff, the observation is clearer, the accuracy of clamping the tumor can be improved, and the moving-out speed of the tumor is improved. The clamping piece 11 of this embodiment is narrower to reduce notched aperture as far as possible, and keep away from it presss from both sides and gets tooth one side tip and set up to the arc surface 13 of preventing damage, so that the intermittent department fish tail other tissues in the eye, help improving the security of using, in order to reduce the probability that postoperative complication produced.

As shown in fig. 5, the gripping teeth are disposed at the end of the gripping head, and include a tooth body 14 disposed on one of the gripping heads and a tooth slot 15 disposed on the other gripping head for accommodating the tooth body 14. In this embodiment, a set of gripping teeth is provided at the end of the gripping head, so that the gripping teeth are convenient to contact with the tumor, so as to increase the gripping speed. The ends of the tooth body 14 and the tooth groove 15 are respectively provided with flat ends so as to increase the clamping area with the tumor and prevent the tumor from falling off.

The description of the present utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (8)

1. Subretinal tumor takes out clamp, including cylindric clamp handle, its characterized in that: the utility model discloses a clamp handle, including handle, handle axis direction, clamp handle one end is equipped with confined assembly chamber, the movable sleeve in assembly chamber is equipped with can follow clamp handle axis direction reciprocating translation's translation slide, just the translation slide extends to press from both sides the outside of getting the handle, still be equipped with the drive on the clamp handle translation slide removes force application device, fixed mounting has the edge on the translation slide press from both sides the clamp that get handle axis direction extends and get the pipe, press from both sides the tip fixed mounting of getting the handle have follow press from both sides the pole of getting that handle axis direction extends, press from both sides get the pole movable sleeve in press from both sides and get intraductally, just press from both sides and get the pole and run through translation slide activity setting, press from both sides the tip of getting the pole and install two cooperation and use and press from both sides and get the head to be located press from both sides and get the outside of pipe and be equipped with the tooth that the cooperation was got on the opposite face of head.

2. The subretinal tumor removal clip of claim 1, wherein: the translation slide comprises two opposite translation slide plates, one translation slide plate is positioned in the assembly cavity, the other translation slide plate is arranged on the outer side of the clamping handle, and at least one translation connecting rod is connected between the two translation slide plates.

3. The subretinal tumor removal clip of claim 2, wherein: the force application device comprises a pressing handle hinged to the outer wall of the clamping handle and corresponding to the assembly cavity, a handle adapting hole is formed in the communication of the pressing handle and the assembly cavity, the pressing handle penetrates through the handle adapting hole and extends into the assembly cavity, and the force application device further comprises a sliding seat reset spring which is installed on the periphery of the translation connecting rod in a limiting mode.

4. The subretinal tumor removal clip of claim 1, wherein: the clamping head comprises an elastic connecting sheet connected with the clamping rod, the end part of the elastic connecting sheet is connected with a clamping sheet, the clamping sheets of the clamping head are in a separated state, and an arc convenient to observe is formed on the clamping sheets.

5. The subretinal tumor removal clip of claim 4, wherein: the clamping piece is far away from the end part of one side of the clamping tooth is provided with an anti-damage cambered surface.

6. The subretinal tumor removal clip of claim 1, wherein: the clamping teeth are arranged at the end part of the clamping head and comprise tooth bodies arranged on one clamping head and tooth grooves arranged on the other clamping head and used for accommodating the tooth bodies.

7. The subretinal tumor removal clip of claim 6, wherein: the end parts of the tooth body and the tooth groove are respectively provided with a flat end.

8. The subretinal tumor removal clip of claim 1, wherein: the surface of the clamping handle is provided with anti-slip lines.