CN212547019U - Laryngeal cavity biopsy forceps - Google Patents
Laryngeal cavity biopsy forceps Download PDFInfo
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- CN212547019U CN212547019U CN202020673622.1U CN202020673622U CN212547019U CN 212547019 U CN212547019 U CN 212547019U CN 202020673622 U CN202020673622 U CN 202020673622U CN 212547019 U CN212547019 U CN 212547019U
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- forceps
- handle
- bevel gear
- pliers
- connecting rod
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Abstract
The utility model discloses a laryngeal cavity biopsy forceps, including the handle and the pincers body, the one end and the handle of the pincers body are connected, the handle includes fixed handle and movable handle, the pincers body includes first body, second body and binding clip subassembly, the one end and the second body fixed connection of first body, the other end and the binding clip subassembly swing joint of first body, the one end and the movable handle fixed connection of connecting rope, the binding clip subassembly includes binding clip and binding clip seat, binding clip and binding clip seat hinge joint, the inside connecting rod that is equipped with of first body, the one end and the binding clip seat fixed connection of connecting rod, the other end and the connection rope of connecting rod are connected, the one end that the binding clip subassembly was kept away from to the connecting rod is equipped with slewing mechanism, and the switching-over can be realized to the binding clip subassembly in the intracavity, simple structure, convenient to use.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to laryngeal cavity biopsy forceps.
Background
When biopsy is performed, biopsy forceps are medical examination and treatment methods which are common for diagnosis and treatment at present, laryngeal cavity biopsy forceps are indispensable tools for throat biopsy of patients, and the laryngeal cavity biopsy forceps are used for forceps to take suspicious lesion tissues and carry out pathological biopsy and cytology examination on the suspicious lesion tissues or directly take the lesion tissues.
The binding clip of laryngeal cavity biopsy forceps that uses clinically at present is fixed and only has single interlock direction, often need change the biopsy forceps of different interlock directions when pincers take to patient's laryngeal live body tissue, complex operation takes out biopsy forceps from patient's laryngeal cavity and puts into again and can cause patient discomfort, inconvenient operation simultaneously to change the in-process.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a laryngeal cavity biopsy forceps with a rotatable forceps head.
In order to solve the problems, the utility model provides a laryngeal cavity biopsy forceps, which comprises a handle and a forceps body, wherein one end of the forceps body is connected with the handle, the handle comprises a fixed handle and a movable handle, the fixed handle is rotationally connected with the movable handle, the forceps body comprises a first pipe body, a second pipe body and a forceps head component, one end of the second pipe body is fixedly connected with the fixed handle, the other end of the second pipe body is fixedly connected with one end of the first pipe body, the other end of the first pipe body is movably connected with the forceps head component, the forceps head component comprises a forceps head, a forceps head seat and a forceps sleeve, the rear end of the forceps head is hinged with the forceps head seat, the forceps head is arranged in the forceps sleeve, the front end of the forceps head is hinged with the forceps sleeve, the forceps head seat is arranged in the first pipe body, the forceps head seat can move in the first pipe body, the connecting rope is arranged in the second pipe body, the connecting rod is arranged in the first pipe body, one end of the connecting rod is fixedly connected with the forceps head seat, the other end of the connecting rod is fixedly connected with the movable handle through the connecting rope, the connecting rod is provided with a rotating mechanism, the rotating mechanism comprises a first bevel gear, a second bevel gear, a connecting shaft and a rotary table, the first bevel gear is fixedly sleeved on the outer side of the connecting rod, the first bevel gear is meshed with the second bevel gear, the second bevel gear is far away from one side of the first bevel gear and one end and the fixed connection of the connecting shaft, and the other end of the connecting shaft penetrates through the pipe wall of the first pipe body and the rotary table fixed connection.
Furthermore, the forceps head comprises a first forceps jaw, a second forceps jaw, a first connecting sheet and a second connecting sheet, the first forceps jaw and the second forceps jaw are hinged in the forceps sleeve, the tail end of the first forceps jaw is hinged to one end of the first connecting sheet, the other end of the first connecting sheet is hinged to the forceps head seat, the tail end of the second forceps jaw is hinged to one end of the second connecting sheet, and the other end of the second connecting sheet is hinged to the forceps head seat.
Further, the two ends of the second pipe body are provided with annular cushions, a through hole is formed in the center of each annular cushion, and the connecting rope is arranged in the through hole in a penetrating mode.
Further, the first pipe body is linear, and the second pipe body is arc.
Furthermore, an elastic piece is arranged between the fixed handle and the movable handle, one end of the elastic piece is fixed on the fixed handle, and the other end of the elastic piece is fixed on the movable handle.
Furthermore, the handle and the forceps body are both made of metal materials.
The utility model has the advantages that: when the laryngeal forceps are used, the connecting rope is pulled through the movable handle, then the connecting rod moves under the driving of the connecting rope, and the first connecting sheet and the second connecting sheet are controlled to swing up and down, so that the first jaw and the second jaw are opened and occluded, and the laryngeal living tissue is convenient to clamp; the connecting rod drives the tong head component to rotate together under the action of the first bevel gear and the second bevel gear by arranging the rotating mechanism and adjusting the turntable, and the tong head component can be reversed in the laryngeal cavity without taking the laryngeal cavity biopsy forceps out of the body for replacement; through set up the elastic component between fixed handle and activity handle, the activity handle compresses the elastic component to fixed handle direction when using, and the medical staff of being convenient for masters the dynamics, convenient operation.
Drawings
Fig. 1 is a schematic structural view of a laryngeal cavity biopsy forceps of the present invention.
Fig. 2 is an enlarged structural view at a shown in fig. 1.
Fig. 3 is an enlarged structural view at B shown in fig. 1.
FIG. 4 is an enlarged view of the structure at C shown in FIG. 1
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in figure 1, the utility model relates to a laryngeal cavity biopsy forceps comprises a handle 1 and a forceps body 2, the one end of the forceps body 2 with the handle 1 is connected, the handle 1 comprises a fixed handle 3 and a movable handle 4, the fixed handle 3 is connected with the movable handle 4 in a rotating way for controlling the activity of a forceps head component 5.
The pliers body 2 comprises a first tube body 7, a second tube body 6 and a pliers head assembly 5, one end of the second tube body 6 is fixedly connected with the fixed handle 3, the other end of the second tube body 6 is fixedly connected with one end of the first tube body 7, the other end of the first tube body 7 is movably connected with the pliers head assembly 5, and the pliers head assembly 5 can move along the axis direction of the first tube body 7 conveniently. The forceps head assembly 5 comprises a forceps head 51, a forceps head seat 52 and a forceps sleeve 53, the rear end of the forceps head 51 is hinged to the forceps head seat 52, the forceps head 51 is arranged in the forceps sleeve 53, the front end of the forceps head 51 is hinged to the forceps sleeve 53, the forceps head seat 52 is arranged in the first pipe body 7, the forceps head seat 52 can move in the first pipe body 7, and the forceps head 51 is driven to be opened and occluded through the movement of the forceps head seat 52 so as to clamp the living tissue in the laryngeal cavity. The connecting rope 63 is arranged in the second pipe body 6, the connecting rod 71 is arranged in the first pipe body 7, one end of the connecting rod 71 is fixedly connected with the forceps head seat 52, the other end of the connecting rod 71 is fixedly connected with the movable handle 4 through the connecting rope 63, and when the forceps head seat is used, the connecting rod 71 is pulled to horizontally move under the action of the movable handle 4 through the connecting rope 63, so that the forceps head seat 52 is driven to horizontally move together. The connecting rod 71 is provided with a rotating mechanism 8 for adjusting the direction of the binding clip assembly 5, so that the binding clip assembly 5 can be reversed in vivo.
As shown in fig. 2, the forceps head 51 includes a first jaw 511, a second jaw 512, a first connecting plate 513 and a second connecting plate 514, the first jaw 511 and the second jaw 512 are hinged in the forceps sleeve 53, the end of the first jaw 511 is hinged to one end of the first connecting plate 513, the other end of the first connecting plate 513 is hinged to the forceps base 52, the end of the second jaw 512 is hinged to one end of the second connecting plate 514, and the other end of the second connecting plate 514 is hinged to the forceps base 52, so that the forceps base 52 is driven to move together when the connecting rod 71 moves, so as to control the opening and closing of the first jaw 511 and the second jaw 512, and clamp living tissue in the laryngeal cavity.
As shown in fig. 3, the rotating mechanism 8 includes a first bevel gear 81, a second bevel gear 82, a connecting shaft 83 and a rotating disc 84, the first bevel gear 81 is fixedly sleeved outside the connecting rod 71, and the first bevel gear 81 is engaged with the second bevel gear 82 for controlling the connecting rod 71 to rotate, so as to drive the tong head assembly 5 to rotate. One side of the second bevel gear 82, which is far away from the first bevel gear 81, is fixedly connected with one end of the connecting shaft 83, and the other end of the connecting shaft 83 penetrates through the pipe wall of the first pipe body 7 to be fixedly connected with the rotating disc 84, so as to adjust the first bevel gear 81 and the second bevel gear 82.
As shown in fig. 4, two ends of the second tube 6 are both provided with an annular cushion 61, a through hole 62 is formed in the center of the annular cushion 61, and the connecting rope 63 is arranged in the through hole 62 in a penetrating manner, so that the phenomenon that the service life of the laryngeal cavity biopsy forceps is shortened due to abrasion of the connecting rope 63 caused by friction between the connecting rope 63 and the tube wall of the second tube 6 when the connecting rope 63 is pulled is avoided.
An elastic piece 9 is arranged between the fixed handle 3 and the movable handle 4, one end of the elastic piece 9 is fixed on the fixed handle 3, the other end of the elastic piece 9 is fixed on the movable handle 4, when the electric tool is not used, the elastic piece 9 is in a natural state, and at the moment, the first jaw 511 and the second jaw 512 are in an open state; when the medical handle is used, when the fixed handle 3 and the movable handle 4 are controlled to be closed by fingers, the fingers on the movable handle 4 can feel the resistance brought by the elastic piece 9 due to the reset action of the elastic piece 9, so that medical staff can better master the force when using the medical handle, and meanwhile, the medical handle is controlled to be closed by the elastic piece 9.
The handle and the forceps body 2 are made of metal materials, so that the laryngeal cavity biopsy forceps can be conveniently sterilized through boiling, soaking and other modes.
The utility model discloses a theory of operation: when the laryngeal cavity biopsy forceps are used for laryngeal biopsy, firstly, under the positioning of an electronic fiber laryngoscope, the forceps body 2 is stretched into a suspicious lesion position of the throat of a patient or a position where a living tissue needs to be clamped and taken, then the movable handle 4 is controlled to squeeze towards the direction of the fixed handle 3, the connecting rod 71 drives the forceps head seat 52 to horizontally move together under the action of the movable handle 4, and due to the movement of the forceps head seat 52, the first connecting sheet 513 and the second connecting sheet 514 swing up and down, so that the first forceps holder 511 and the second forceps holder 512 are driven to be separated and meshed, and the living tissue in the laryngeal cavity is clamped and taken. When the forceps head 51 needs to be turned in the process of taking the living tissue by forceps, the movable handle 4 is loosened, the elastic part 9 is in a natural state, namely the connecting rod 71 is in a state of not translating, at the moment, the first bevel gear 81 and the second bevel gear 82 are meshed with each other, the rotating disc 84 is rotated, the first bevel gear 81 is driven by the second bevel gear 82 to rotate, so that the connecting rod 71 is driven to rotate together, due to the rotation of the connecting rod 71, the forceps head assembly 5 also rotates together, so that the forceps head assembly 5 is reversed in vivo, the whole forceps body 2 does not need to be taken out of the body to replace laryngeal cavity biopsy forceps in other directions, and the operation is simple and quick.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a laryngeal cavity biopsy forceps, includes handle (1) and pincers body (2), the one end of pincers body (2) with handle (1) is connected, handle (1) is including fixed handle (3) and activity handle (4), fixed handle (3) and activity handle (4) rotate to be connected its characterized in that: the pliers body (2) comprises a pliers head assembly (5), a first tube body (7) and a second tube body (6), one end of the second tube body (6) is fixedly connected with a fixed handle (3), the other end of the second tube body (6) is fixedly connected with one end of the first tube body (7), the other end of the first tube body (7) is movably connected with the pliers head assembly (5), the pliers head assembly (5) comprises a pliers head (51), a pliers head seat (52) and a pliers sleeve (53), the rear end of the pliers head (51) is hinged with the pliers head seat (52), the pliers head (51) is arranged in the pliers sleeve (53), the front end of the pliers head (51) is hinged with the pliers sleeve (53), the pliers head seat (52) is arranged in the first tube body (7), the pliers head seat (52) can move in the first tube body (7), and a connecting rope (63) is arranged in the second tube body (6), a connecting rod (71) is arranged in the first pipe body (7), one end of the connecting rod (71) is fixedly connected with the forceps head seat (52), the other end of the connecting rod (71) is fixedly connected with the movable handle (4) through a connecting rope (63), the connecting rod (71) is provided with a rotating mechanism (8), the rotating mechanism (8) comprises a first bevel gear (81), a second bevel gear (82), a connecting shaft (83) and a rotating disc (84), the first bevel gear (81) is fixedly sleeved on the outer side of the connecting rod (71), the first bevel gear (81) is meshed with the second bevel gear (82), one side of the second bevel gear (82) far away from the first bevel gear (81) is fixedly connected with one end of the connecting shaft (83), the other end of the connecting shaft (83) penetrates through the pipe wall of the first pipe body (7) and is fixedly connected with the rotating disc (84).
2. The laryngeal cavity biopsy forceps of claim 1, wherein: the forceps head (51) comprises a first jaw (511), a second jaw (512), a first connecting piece (513) and a second connecting piece (514), the first jaw (511) and the second jaw (512) are hinged in the forceps sleeve (53), the tail end of the first jaw (511) is hinged to one end of the first connecting piece (513), the other end of the first connecting piece (513) is hinged to the forceps head seat (52), the tail end of the second jaw (512) is hinged to one end of the second connecting piece (514), and the other end of the second connecting piece (514) is hinged to the forceps head seat (52).
3. The laryngeal cavity biopsy forceps of claim 1, wherein: second body (6) both ends all are equipped with annular cushion (61), through-hole (62) have been seted up at annular cushion (61) center, connect rope (63) and wear to establish in through-hole (62).
4. The laryngeal cavity biopsy forceps of claim 1, further comprising: the first pipe body (7) is linear, and the second pipe body (6) is arc-shaped.
5. The laryngeal cavity biopsy forceps of claim 1, wherein: an elastic piece (9) is arranged between the fixed handle (3) and the movable handle (4), one end of the elastic piece (9) is fixed on the fixed handle (3), and the other end of the elastic piece (9) is fixed on the movable handle (4).
6. The laryngeal cavity biopsy forceps of claim 1, wherein: the handle (1) and the forceps body (2) are both made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020673622.1U CN212547019U (en) | 2020-04-27 | 2020-04-27 | Laryngeal cavity biopsy forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020673622.1U CN212547019U (en) | 2020-04-27 | 2020-04-27 | Laryngeal cavity biopsy forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212547019U true CN212547019U (en) | 2021-02-19 |
Family
ID=74611035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020673622.1U Active CN212547019U (en) | 2020-04-27 | 2020-04-27 | Laryngeal cavity biopsy forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212547019U (en) |
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2020
- 2020-04-27 CN CN202020673622.1U patent/CN212547019U/en active Active
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