Medical sampling forceps

Abstract

The utility model discloses a pair of medical sampling forceps, which relates to the technical field of medical instruments, and comprises a front handle and a rear handle, a groove I is formed in the rear handle, one end of the front handle is arranged in the groove I and is rotatably connected with the inner wall of the groove I, one side of the rear handle close to the front handle is fixedly connected with a sleeve, and the other side of the rear handle close to the front handle is fixedly connected with the sleeve. A first groove is formed in the front handle, a tube cavity of the sleeve is communicated with the first groove, a lower forceps head is fixedly connected to the end, away from the front handle, of the sleeve, an upper forceps head is concentrically arranged in an inner ring cavity of the lower forceps head, a second groove is formed in the side, close to the lower forceps head, of the sleeve, and a connecting rod is arranged in the sleeve in a sliding mode. The side, close to the second groove, of the upper forceps head is fixedly connected with a connecting rod, the connecting rod is located in the second groove, the side, away from the upper forceps head, of the connecting rod is hinged to the second groove, a third groove is formed in the connecting rod, and the end, along the axis, of the connecting rod is located in the third groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a kind of medical sampling forceps. BACKGROUND

[0002] The utility model discloses a kind of cervix living body sampling forceps with locking mechanism, it includes upper push rod, lower push rod, front handle, rear handle, upper tongs, lower tongs, the upper push rod is slidably arranged on lower push rod, and lower push rod terminal fixedly connected rear handle, the terminal of upper push rod and lower push rod is respectively hinged in front handle;The lower push rod front end fixedly connected lower tongs, the terminal of upper push rod and lower push rod is respectively hinged in upper tongs, elastic element is equipped between the front handle and rear handle;Upper push rod, lower push rod, front handle, rear handle, upper tongs, lower tongs are made of steel material, the rear handle is away from the end of lower tongs and is provided with locking mechanism for limiting the opening and closing of upper tongs.

[0003] The device is locked by rotating locking disc to upper tongs and lower tongs, but the device needs to be operated by both hands when locking, and the stability during operation can be reduced, which indirectly increases the safety risk of patients, therefore, it is necessary to design a medical sampling forceps to improve the use safety. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of cervix living body sampling forceps with locking mechanism, it includes upper push rod, lower push rod, front handle, rear handle, upper tongs, lower tongs, the upper push rod is slidably arranged on lower push rod, and lower push rod terminal fixedly connected rear handle, the terminal of upper push rod and lower push rod is respectively hinged in front handle;The lower push rod front end fixedly connected lower tongs, the terminal of upper push rod and lower push rod is respectively hinged in upper tongs, elastic element is equipped between the front handle and rear handle;Upper push rod, lower push rod, front handle, rear handle, upper tongs, lower tongs are made of steel material, the rear handle is away from the end of lower tongs and is provided with locking mechanism for limiting the opening and closing of upper tongs.

[0005] To solve the above technical problem, the utility model provides the following technical scheme: a kind of medical sampling forceps, including front handle, rear handle, recess one is opened in the rear handle, one end of the front handle is arranged in recess one and is rotationally connected with the inner wall of recess one, the side of rear handle close to front handle is fixedly connected with sleeve, the lumen of sleeve is communicated with recess one, the end of sleeve away from front handle is fixedly connected with lower tongs, the inner ring cavity of lower tongs is concentrically provided with upper tongs, recess two is opened in the side of sleeve close to lower tongs, slidingly arranged with connecting rod in sleeve, the side of upper tongs close to recess two is fixedly connected with connecting rod, the connecting rod is located in recess two, the side of connecting rod away from upper tongs is hinged with recess two, recess three is opened in the connecting rod, the end of connecting rod along axis is located in recess three, the side of recess three close to upper tongs is hinged with connecting rod, the end of connecting rod located in recess one is fixedly connected with fixed plate, the front handle is fixedly connected with pressing plate in recess one corresponding fixed plate, cavity is opened in the rear handle, sliding hole is opened in the side of cavity close to connecting rod, slidingly connected with positioning column in sliding hole, the positioning hole is opened in the connecting rod corresponding positioning column.

[0006] The utility model further illustrates, the front handle and rear handle between far away from the one side of recess one is provided with elastic component, the elastic component includes front elastic sheet and rear elastic sheet, one end of front elastic sheet is fixedly connected in the one side of rear handle close to front handle, one end of rear elastic sheet is fixedly connected in the one side of rear handle close to front handle, the one side of front elastic sheet far away from front handle is fixedly connected with tab, the one side of rear elastic sheet far away from rear handle corresponds tab and is provided with recess, the tab is connected in recess.

[0007] The utility model further illustrates, the one side of fixed plate close to connecting rod is provided with reset spring no.

[0008] The utility model further illustrates, the one end of locating column far away from connecting rod is fixedly covered with support plate no.

[0009] The utility model further illustrates, the one end of locating column far away from connecting rod is fixedly connected with pull rope, the cavity is provided with a plurality of around rod, the pull rope is successively pulled around on a plurality of around rod, the one end of pull rope far away from locating column is provided with control rod.

[0010] The utility model further illustrates, control rod is " L " shape, the right angle of control rod faces the one side of elastic component, the right angle of control rod is connected in cavity and with the rotation of cavity inner wall, the long pole of control rod is located in the outside of rear handle and passes the cavity inner wall, the rear handle corresponds control rod and is provided with recess no.

[0011] Compared with the prior art, the utility model has achieved the beneficial effects that: the utility model, through setting reset spring no.

[0012] Through setting pull rope, around rod and control rod and reset spring no. ACCURACY OF DRAWINGS

[0013] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0014] Figure 1 is a schematic diagram of the overall structure of the present application;

[0015] Figure 2 is a schematic diagram of the split structure of the elastic assembly of the present application;

[0016] Figure 3 is a schematic diagram of the relevant structure of the lower jaw and the upper jaw of the present application;

[0017] Figure 4 is a schematic diagram of the split structure of the rear handle of the present application;

[0018] Figure 5 is a schematic diagram of the Figure 4 A region of the present application is shown in the enlarged structure;

[0019] In the drawings: 1, front handle; 2, rear handle; 3, groove one; 4, elastic assembly; 5, front elastic sheet; 6, rear elastic sheet; 7, tab; 8, notch; 9, sleeve; 10, connecting rod; 11, lower jaw; 12, groove two; 13, upper jaw; 14, connecting rod; 15, groove three; 16, fixed plate; 17, reset spring one; 18, support plate one; 19, round hole; 20, pressing plate; 21, cavity; 22, sliding hole; 23, positioning column; 24, positioning hole; 25, support plate two; 26, reset spring two; 27, fixed ring; 28, pull rope; 29, control rod; 30, winding rod; 31, groove four. DETAILED DESCRIPTION

[0020] The technical scheme of the present application will be further described in detail below in combination with preferred embodiments and drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-5 The present application provides a technical scheme: a medical sampling forceps, comprising a front handle 1 and a rear handle 2, a groove one 3 is formed in the rear handle 2, and one end of the front handle 1 is arranged in the groove one 3 and rotationally connected with the inner wall of the groove one 3.

[0022] As Figure 1 , an elastic assembly 4 is arranged on the side away from the groove one 3 between the front handle 1 and the rear handle 2, and the elastic assembly 4 is used for elastically resetting the rotated front handle 1.

[0023] As Figure 2 , the elastic assembly 4 includes a front elastic sheet 5 and a rear elastic sheet 6, both of which have elastic recovery effect, one end of the front elastic sheet 5 is fixedly connected to one side of the front handle 1 close to the rear handle 2, and one end of the rear elastic sheet 6 is fixedly connected to one side of the rear handle 2 close to the front handle 1.

[0024] The side of the front elastic sheet 5 away from the front handle 1 is fixedly connected with a tab 7, and the side of the rear elastic sheet 6 away from the rear handle 2 is provided with a notch 8 corresponding to the tab 7, the tab 7 is clamped in the notch 8, so that the front elastic sheet 5 and the rear elastic sheet 6 abut on one side close to the groove 3.

[0025] As Figure 1 , the side of the rear handle 2 close to the front handle 1 is fixedly connected with a sleeve 9, the sleeve 9 is horizontally arranged, the lumen of the sleeve 9 is communicated with the groove 3, the sleeve 9 is sleeved with a connecting rod 10, the sleeve 9 and the connecting rod 10 are concentrically arranged, and the connecting rod 10 is slidingly connected with the sleeve 9.

[0026] As Figure 3 , one end of the sleeve 9 away from the front handle 1 is fixedly connected with a lower jaw 11, the lower jaw 11 is an annular cylinder, the side of the sleeve 9 close to the lower jaw 11 is provided with a groove 12, the groove 12 is communicated with the inner annular cavity of the lower jaw 11, and the groove 12 is communicated with the lumen of the sleeve 9.

[0027] The inner annular cavity of the lower jaw 11 is concentrically provided with an upper jaw 13, the upper jaw 13 is an annular cylinder, and the outer annular wall of the upper jaw 13 directly contacts the inner annular wall of the lower jaw 11.

[0028] The side of the upper jaw 13 close to the groove 12 is fixedly connected with a connecting rod 14, the connecting rod 14 is located in the groove 12, the side of the connecting rod 14 away from the upper jaw 13 is hingedly connected with the groove 12, the connecting rod 14 is provided with a groove 15, one end of the connecting rod 10 along the axis is located in the groove 15, and the side of the groove 15 close to the upper jaw 13 is hingedly connected with the connecting rod 10.

[0029] By moving the connecting rod 10, the connecting rod 10 drives the connecting rod 14 and the upper jaw 13 to rotate, the upper jaw 13 is buckled in the inner annular cavity of the lower jaw 11, and the tissue is clamped and cut.

[0030] As Figure 4 , Figure 5The one end of the connecting rod 10 in the axial direction is located in the groove 3, and the one end of the connecting rod 10 in the groove 3 is fixedly connected with the fixed plate 16. The fixed plate 16 is vertically arranged, and the side of the fixed plate 16 close to the connecting rod 10 is provided with the reset spring 17. The reset spring 17 is sleeved on the connecting rod 10, and the side of the reset spring 17 away from the disc is provided with the support plate 18. The support plate 18 is vertically arranged, and the support plate 18 is fixedly connected to the inner wall of the groove 3. The support plate 18 is provided with the circular hole 19 corresponding to the connecting rod 10, and the connecting rod 10 is slidably connected with the sleeve 9 through the circular hole 19.

[0031] The two ends of the reset spring 17 in the axial direction are respectively abutted against the fixed plate 16 and the support plate 18, and the reset spring 17 is used for resetting the connecting rod 10.

[0032] The front handle 1 is fixedly connected with the pressing plate 20 corresponding to the fixed plate 16 in the groove 3. The pressing plate 20 is in direct contact with the fixed plate 16. When the front handle 1 is held and rotated, the pressing plate 20 rotates counterclockwise along the rotating position of the front handle 1, so as to push the connecting rod 10 to move to the side of the lower jaw 11 through the fixed plate 16, and the reset spring 17 is compressed, thereby driving the upper jaw 13 to rotate and cooperating with the lower jaw 11 to clamp and cut the sample.

[0033] The rear handle 2 is provided with the cavity 21, and the cavity 21 is located on the side of the groove 3 away from the front handle 1. The cavity 21 is provided with the sliding hole 22 on the side close to the connecting rod 10. The sliding hole 22 is located on the side of the support plate 18 away from the fixed plate 16. The sliding hole 22 is slidably connected with the positioning column 23. The positioning column 23 is vertically arranged. The connecting rod 10 is provided with the positioning hole 24 corresponding to the positioning column 23.

[0034] When the connecting rod 10 moves to the side of the lower jaw 11 to clamp and cut the sample, the positioning hole 24 is just located below the positioning column 23. The positioning column 23 slides downward, so that the one end of the positioning column 23 close to the connecting rod 10 is inserted into the positioning hole 24, thereby locking the connecting rod 10, and the reset spring 17 cannot reset the connecting rod 10.

[0035] The one end of the positioning column 23 away from the connecting rod 10 is fixedly sleeved with the support plate 25. The one end of the positioning column 23 away from the connecting rod 10 is sleeved with the reset spring 26. The reset spring 26 is located on the side of the support plate 25 away from the connecting rod 10. The side of the reset spring 26 away from the support plate 25 is provided with the fixed ring 27. The fixed ring 27 is concentrically arranged with the positioning column 23. The fixed ring 27 is fixedly connected to the inner wall of the cavity 21. The positioning column 23 passes through the fixed ring 27 and is slidably connected with the fixed ring 27. The two ends of the reset spring 26 in the axial direction are respectively abutted against the support plate 25 and the fixed ring 27.

[0036] The positioning column 23 is fixedly connected with a pull rope 28 at one end away from the connecting rod 10 in the axial direction, a plurality of winding rods 30 are arranged in the cavity 21, and the pull rope 28 is sequentially wound on the plurality of winding rods 30. The pull rope 28 is provided with a control rod 29 at one end away from the positioning column 23.

[0037] The control rod 29 is in the shape of “L”, the right angle of the control rod 29 faces away from the elastic assembly 4, the right angle transition of the control rod 29 is located in the cavity 21 and is rotationally connected with the inner wall of the cavity 21, the long rod of the control rod 29 penetrates through the inner wall of the cavity 21 and is located outside the rear handle 2, and the rear handle 2 is provided with a groove four 31 for rotation of the control rod 29, and the groove four 31 is communicated with the cavity 21.

[0038] The pull rope 28 is fixedly connected with the short rod end of the control rod 29, the long rod of the control rod 29 is pressed to rotate the control rod 29, so that the pull rope 28 is pulled tight, the one end of the positioning column 23 inserted into the positioning hole 24 moves upward along the sliding hole 22 under the pulling force of the pull rope 28 and moves out of the positioning hole 24, and at this time, the connecting rod 10 is reset under the action of the reset spring one 17.

[0039] In the embodiment, in use, the front handle 1 is rotated relative to the rear handle 2 by holding the front handle 1 and the rear handle 2, the pressing plate 20 pushes the connecting rod 10 to move to the side of the lower jaw 11 along the sleeve 9 under the action of rotation, the reset spring one 17 is compressed, so that the upper jaw 13 is rotated and buckled in the inner annular cavity of the lower jaw 11, and the clamp cutting of the tissue is completed.

[0040] When the upper jaw 13 is buckled in the inner annular cavity of the lower jaw 11, the positioning hole 24 is just moved to be located directly below the positioning column 23, the positioning column 23 moves downward under the action of the reset spring two 26, so that the one end of the positioning column 23 close to the connecting rod 10 is inserted into the positioning hole 24, thereby locking the connecting rod 10, and the reset spring one 17 cannot reset the connecting rod 10.

[0041] When it is needed to open the upper jaw 13, the long rod of the control rod 29 is pressed to rotate the control rod 29, so that the pull rope 28 is pulled tight, the one end of the positioning column 23 inserted into the positioning hole 24 moves upward along the sliding hole 22 under the pulling force of the pull rope 28 and moves out of the positioning hole 24, at this time, the connecting rod 10 is reset under the action of the reset spring one 17, the connecting rod 10 drives the upper jaw 13 to rotate, so that the upper jaw 13 is rotated and moved out of the inner annular cavity of the lower jaw 11.

[0042] In the description of the utility model, need understanding is, the orientation or position relation that the term " top " " bottom " " front " " back " " left " " right " and the like indicate is based on the orientation or position relation shown in the drawing, only is for the convenience of describing the utility model, and is not instructing or implying the device or element that the indicated must have a particular orientation, constructs and operates with a particular orientation, therefore can not be understood as the restriction of the utility model.

[0043] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, but not limit them. Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A medical sampling forceps, characterized by: The utility model provides a kind of double handle pliers, including front handle (1), rear handle (2), the rear handle (2) is recessed one (3) in, the one end of the front handle (1) is arranged in recessed one (3) and is rotatably connected with recessed one (3) inner wall, the side of rear handle (2) close to front handle (1) is fixedly connected with sleeve (9), the lumen of sleeve (9) is communicated with recessed one (3), the one end of sleeve (9) away from front handle (1) is fixedly connected with lower jaw (11), the inner ring cavity of lower jaw (11) is concentrically provided with upper jaw (13), the side of sleeve (9) close to lower jaw (11) is recessed two (12) is set, sleeve (9) is slidably provided with connecting rod (10), the side of upper jaw (13) close to recessed two (12) is fixedly connected with connecting rod (14), connecting rod (14) is located in recessed two (12), the side of connecting rod (14) away from upper jaw (13) is hinged with recessed two (12), recessed three (15) is set in connecting rod (14), the one end of connecting rod (10) along axis is located in recessed three (15), the side of recessed three (15) close to upper jaw (13) is hinged with connecting rod (10), the one end of connecting rod (10) in recessed one (3) is fixedly connected with fixed plate (16), the fixed plate (16) is fixedly connected with pressing plate (20) in recessed one (3) in the corresponding of front handle (1), the cavity (21) is set in rear handle (2), the side of cavity (21) close to connecting rod (10) is set with sliding hole (22), the sliding hole (22) is slidably connected with positioning column (23), the positioning hole (24) is set in connecting rod (10) on the corresponding positioning column (23).

2. The medical sampling forceps according to claim 1, wherein: The side of the front handle (1) and rear handle (2) away from recessed one (3) is provided with elastic component (4), the elastic component (4) includes front spring piece (5) and rear spring piece (6), the one end of the front spring piece (5) is fixedly connected on the side of the front handle (1) close to the rear handle (2), the one end of the rear spring piece (6) is fixedly connected on the side of the rear handle (2) close to the front handle (1), the side of the front spring piece (5) away from the front handle (1) is fixedly connected with tab (7), the side of the rear spring piece (6) away from the rear handle (2) is set with notch (8) in the corresponding tab (7), the tab (7) is clamped in the notch (8).

3. A medical sampling forceps according to claim 2, wherein: The side of the fixed plate (16) close to the connecting rod (10) is provided with reset spring one (17), the reset spring one (17) is sleeved on the connecting rod (10), the side of the reset spring one (17) away from the disc is provided with support plate one (18), the support plate one (18) is fixedly connected on the inner wall of recessed one (3), the support plate one (18) is set with round hole (19) on the corresponding connecting rod (10), the both ends of the reset spring one (17) along the axis direction are respectively abutted on the fixed plate (16) and the support plate one (18).

4. The medical sampling forceps according to claim 3, wherein: The positioning column (23) is fixed with a support plate two (25) away from one end of the connecting rod (10), the positioning column (23) is fixed with a reset spring two (26) away from one end of the connecting rod (10), the reset spring two (26) is located on the side of the support plate two (25) away from the connecting rod (10), the reset spring two (26) is provided with a fixed ring (27) away from the support plate two (25), the fixed ring (27) is fixedly connected to the inner wall of the cavity (21), the positioning column (23) is slidably connected through the fixed ring (27), the reset spring two (26) is respectively abutted on the support plate two (25) and the fixed ring (27) along the axis direction.

5. A medical sampling forceps according to claim 4, wherein: The positioning column (23) is fixedly connected with a pull rope (28) away from one end of the connecting rod (10) along the axis direction, a plurality of winding rods (30) are arranged in the cavity (21), the pull rope (28) is sequentially wound on the plurality of winding rods (30), and the pull rope (28) is provided with a control rod (29) away from the positioning column (23).

6. A medical sampling forceps according to claim 5, wherein: The control rod (29) is "L" shaped, the right angle of the control rod (29) faces away from the elastic assembly (4), the right angle of the control rod (29) is located in the cavity (21) and is rotatably connected with the inner wall of the cavity (21), the long rod of the control rod (29) penetrates out of the inner wall of the cavity (21) and is located outside the rear handle (2), the rear handle (2) is provided with a groove four (31) for rotating the control rod (29), the groove four (31) is communicated with the cavity (21), and the pull rope (28) is fixedly connected with the short rod end of the control rod (29).

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