Biopsy forceps capable of storing and protecting sample rows

Abstract

The utility model relates to biopsy forceps capable of storing and protecting sample lines. The biopsy forceps comprise an outer sleeve assembly and an inner sleeve assembly, the outer sleeve assembly comprises a sleeve, the tail end of the sleeve is fixedly connected with a first handle in a sleeving mode, cutting teeth are fixedly installed on the end face of the head end of the sleeve, and a plurality of annular teeth are fixedly installed on the side face of the head end of the sleeve. The inner sleeve assembly comprises an inner rod used for penetrating into the sleeve, and further comprises a second handle and two opposite clamping plates which are arranged at the tail end and the head end of the inner rod respectively, and wedge-shaped clamping blocks are fixedly installed on the surfaces of the opposite sides of the two clamping plates. The utility model has the beneficial effects that in the process of taking out the sleeve, a sample is always positioned in the sleeve, so that the sample cannot collide with a wound, the integrity of the sample is well protected, and meanwhile, the sample is prevented from being in direct contact with the wound, so that the risk that the sample is polluted by external bacteria or other pollutants can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and particularly relates to a biopsy forceps capable of storing and protecting samples. Background Art

[0002] A biopsy forceps is a tool widely used in the medical field, mainly used to take out human tissue samples for pathological examination and diagnosis.

[0003] When the surgical wound is small, when the biopsy forceps tries to be taken out after sampling, due to space limitations, the contact between the sample and the wound surface is closer. When the biopsy forceps tries to move, the sample is easily affected by the collision force from the wound surface. At this time, this collision force is likely to cause the sample to displace. However, since a part of the sample has been fixed by the biopsy forceps, the overall displacement of the sample is restricted. Under the action of the collision force, tension may be generated between the fixed part and the unfixed part of the sample, resulting in tearing of the sample near the fixed point, causing damage to the sample itself, easily leading to inaccurate pathological examination results, and thus affecting the diagnosis of diseases. Content of the Utility Model

[0004] The purpose of the utility model is to provide a biopsy forceps capable of storing and protecting samples, and solve the above problems existing in the prior art.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A biopsy forceps capable of storing and protecting samples, comprising an outer sleeve assembly and an inner sleeve assembly;

[0007] The outer sleeve assembly includes a sleeve, the tail end of the sleeve is fixedly sleeved with a first handle, the front end face of the sleeve is fixedly installed with cutting teeth, and several annular teeth are fixedly installed on the side surface of the front end of the sleeve;

[0008] The inner sleeve assembly includes an inner rod for extending into the sleeve, and further includes a second handle and two opposite clamping plates respectively arranged at the tail end and the front end of the inner rod. Wedge-shaped blocks are fixedly installed on the opposite side surfaces of the two clamping plates.

[0009] The beneficial effects of the present utility model are as follows: When tissue sampling of a patient is required, the cannula is inserted into the human body along the wound, so that the front end of the cannula can be located in the sampling area. At this time, the inner rod is inserted into the cannula, so that the clamping plate at the front end of the inner rod can penetrate into the patient's body and be located at the sampling point. When the two clamping plates successfully clamp the sample, the cannula is rotated by the first handle, so that the cutting teeth and the annular teeth at the front end of the cannula can cut the sample, so that the sample can be smoothly separated from the human tissue. At this time, the second handle is pulled to drive the inner rod to move inside the cannula, so that the two clamping plates can drive the sample into the cannula. At this time, the cannula squeezes the wedge-shaped block, so that the wedge-shaped block squeezes the clamping plate, so that the two clamping plates clamp the sample tightly. Subsequently, the staff can take out the cannula. During the process of taking out the cannula, the sample is always inside the cannula, so that the sample itself cannot collide with the wound, which plays a good role in protecting the integrity of the sample. At the same time, it also avoids direct contact between the sample and the wound, which can reduce the risk of the sample being contaminated by external bacteria or other pollutants.

[0010] On the basis of the above technical solution, the present utility model can be further improved as follows.

[0011] Further, a fixing hole is formed in the side wall of the tail end of the cannula, and a plurality of through holes matching the fixing hole are spaced apart from each other at the tail end of the inner rod. The fixing rod is inserted into the fixing hole and the through holes.

[0012] Further, a fixing groove is formed in the side wall of the tail end of the cannula corresponding to the fixing hole, and a magnet block for adsorbing the fixing rod is fixedly installed on the inner bottom wall of the fixing groove.

[0013] Further, limiting blocks are fixedly installed on both side surfaces of the inner rod, and limiting grooves adapted to the limiting blocks are formed on both inner side walls of the cannula. Both of the limiting blocks are slidably connected to the inner wall of the limiting groove.

[0014] Further, a thread line is arranged on the outer surface of the cannula, and a threaded cylinder is threadedly sleeved on the outer surface of the thread line. A plurality of limiting plates are fixedly installed on the surface of the threaded cylinder.

[0015] Further, a limiting ring is fixedly arranged at the front end of the outer surface of the cannula located at the thread line. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 It is a schematic diagram of the inner sleeve assembly structure of the present utility model;

[0018] Figure 3Schematic diagram of the connection relationship between the fixed rod and the magnet block of the present utility model;

[0019] Figure 4 Schematic diagram of the connection relationship between the limit block and the limit groove of the present utility model;

[0020] Figure 5 For the present utility model Figure 1 Enlarged view of part A in

[0021] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0022] 1. Outer sleeve assembly; 101. Sleeve; 102. First handle; 103. Cutting teeth; 104. Annular teeth; 2. Inner sleeve assembly; 201. Inner rod; 202. Second handle; 203. Clamping plate; 204. Wedge-shaped clamping block; 3. Fixed groove; 4. Through hole; 5. Fixed rod; 6. Magnet block; 7. Limit block; 8. Limit groove; 9. Thread line; 10. Thread barrel; 11. Restricting plate; 12. Limit ring. Specific embodiments

[0023] The principles and features of the present utility model will be described below with reference to the attached drawings. The examples given are only used to explain the present utility model and are not intended to limit the scope of the present utility model.

[0024] As Figures 1 to 5 shown, Embodiment 1 of the present utility model is a biopsy forceps capable of storing and protecting a sample, including an outer sleeve assembly 1 and an inner sleeve assembly 2;

[0025] The outer sleeve assembly 1 includes a sleeve 101, a first handle 102 is fixedly sleeved at the tail end of the sleeve 101, a cutting tooth 103 is fixedly installed on the end face of the head end of the sleeve 101, and a plurality of annular teeth 104 are fixedly installed on the side surface of the head end of the sleeve 101;

[0026] The inner sleeve assembly 2 includes an inner rod 201 for extending into the inside of the sleeve 101, and further includes a second handle 202 and two oppositely arranged clamping plates 203 respectively arranged at the tail end and the head end of the inner rod 201. Wedge-shaped clamping blocks 204 are fixedly installed on the opposite side surfaces of the two clamping plates 203.

[0027] When tissue sampling is required for a patient, the cannula 101 is inserted into the human body along the wound, so that the head end of the cannula 101 can be located in the sampling area. At this time, the inner rod 201 is inserted into the cannula 101, so that the clamping plate 203 at the head end of the inner rod 201 can penetrate deep into the patient's body and be located at the sampling point. When the two clamping plates 203 successfully clamp the sample, the cannula 101 is rotated by the first handle 102, so that the cutting teeth 103 and the annular teeth 104 at the head end of the cannula 101 can cut the sample, enabling the sample to be smoothly separated from the human tissue. At this time, the second handle 202 is pulled to drive the inner rod 201 to move inside the cannula 101, so that the two clamping plates 203 can drive the sample into the cannula 101. At this time, the cannula 101 squeezes the wedge-shaped block 204, causing the wedge-shaped block 204 to squeeze the clamping plate 203, so that the two clamping plates 203 clamp the sample tightly. Subsequently, the staff can take out the cannula 101. During the process of taking out the cannula 101, the sample always remains inside the cannula 101, preventing the sample itself from colliding with the wound, providing good protection for the integrity of the sample. At the same time, avoiding direct contact between the sample and the wound can reduce the risk of the sample being contaminated by external bacteria or other pollutants.

[0028] It should be noted that the clamping plate 203 is made of an elastic material, such as polyurethane, etc., and has a certain deformation performance.

[0029] In Embodiment 2 of the present utility model, a biopsy forceps capable of storing and protecting a sample. On the basis of Embodiment 1, a fixing hole is provided on the side wall of the tail end of the cannula 101, and a plurality of through holes 4 matching the fixing hole are spaced apart on the tail end of the inner rod 201. A fixing rod 5 inserted into the fixing hole and the through holes 4 is also included.

[0030] When the inner rod 201 extends into the cannula 101, in order to ensure that the clamping plate 203 can remain fixed, the fixing rod 5 is inserted into the through holes 4 and the fixing hole, thereby fixing the inner rod 201 and preventing the inner rod 201 from moving independently.

[0031] In specific implementation, the shape of the fixing rod 5 is similar to a bolt, which is convenient for people to take out the fixing rod 5.

[0032] In Embodiment 3 of the present utility model, a biopsy forceps capable of storing and protecting a sample. On the basis of Embodiment 2, a fixing groove 3 is provided on the side wall of the tail end of the cannula 101 corresponding to the fixing hole, and a magnet block 6 for adsorbing the fixing rod 5 is fixedly installed on the inner bottom wall of the fixing groove 3.

[0033] When the fixing rod 5 extends into the fixing groove 3, the magnet block 6 magnetically adsorbs the fixing rod 5, making it difficult for the fixing rod 5 to detach from the fixing groove 3 independently.

[0034] It should be noted that both the outer sleeve assembly 1 and the inner sleeve assembly 2 are made of austenitic stainless steel. The relatively large proportion of chromium and nickel elements in austenitic stainless steel itself makes it difficult for austenitic stainless steel to be adsorbed by the magnet block 6, avoiding the adsorption effect of the magnet block 6 on the inner rod 201 when the inner rod 201 moves.

[0035] In Embodiment 4 of the present utility model, a biopsy forceps capable of storing and protecting a sample, on the basis of any one of Embodiments 1 to 3, limiting blocks 7 are fixedly installed on both side surfaces of the inner rod 201, and limiting grooves 8 adapted to the limiting blocks 7 are formed on both inner walls of the sleeve 101. Both of the two limiting blocks 7 are slidably connected to the inner wall of the limiting groove 8.

[0036] Through the cooperation of the limiting block 7 and the limiting groove 8, when the inner rod 201 moves inside the sleeve 101, the inner rod 201 will not rotate, improving the stability of the device.

[0037] In Embodiment 5 of the present utility model, a biopsy forceps capable of storing and protecting a sample, on the basis of any one of Embodiments 1 to 4, a thread line 9 is provided on the outer surface of the sleeve 101, and a threaded cylinder 10 is threadedly sleeved on the outer surface of the thread line 9. A plurality of limiting plates 11 are fixedly installed on the surface of the threaded cylinder 10.

[0038] By providing the limiting plate 11, when the medical staff accidentally inserts too deep, the limiting plate 11 can be stuck at the wound, preventing the sleeve 101 from continuing to insert and causing excessive damage to the soft tissues in the patient's body; at the same time, by rotating the limiting plate 11, the limiting plate 11 can be adjusted in position on the sleeve 101, enabling the medical staff to adjust the position of the limiting plate 11 according to needs.

[0039] In Embodiment 6 of the present utility model, a biopsy forceps capable of storing and protecting a sample, on the basis of Embodiment 5, a limiting ring 12 is fixedly provided at the front end of the outer surface of the sleeve 101 where the thread line 9 is located.

[0040] By providing the limiting ring 12, it is convenient to limit the limiting plate 11 and prevent the limiting plate 11 from detaching from the head end of the sleeve 101.

[0041] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A biopsy forceps capable of storing and protecting a sample, characterized in that: It comprises an outer sleeve component (1) and an inner sleeve component (2); The jacket assembly (1) comprises a sleeve (101), the rear end of the sleeve (101) is fixedly sleeved with a first handle (102), the front end surface of the sleeve (101) is fixedly mounted with cutting teeth (103), and the side surface of the front end of the sleeve (101) is fixedly mounted with a plurality of annular teeth (104); The inner sleeve assembly (2) comprises an inner rod (201) for penetrating into the interior of the sleeve (101), and also comprises a second handle (202) respectively arranged at the rear end and the front end of the inner rod (201) and two clamping plates (203) in an opposite shape, wherein the surfaces of the two clamping plates (203) facing each other are fixedly mounted with a wedge-shaped clamping block (204).

2. A biopsy forceps capable of storing and protecting samples according to claim 1, characterized in that: A fixing hole is provided on the side wall of the rear end of the sleeve (101), and a plurality of through holes (4) matching the fixing hole are provided at intervals on the rear end of the inner rod (201), and a fixing rod (5) is also included which is inserted into the fixing hole and the through hole (4).

3. A biopsy forceps capable of storing and protecting samples according to claim 2, characterized in that: A fixing groove (3) is provided on the rear end side wall of the sleeve (101) corresponding to the fixing hole, and a magnet block (6) for adsorbing the fixing rod (5) is fixedly mounted on the inner bottom wall of the fixing groove (3).

4. The biopsy forceps capable of storing and protecting samples according to claim 1, characterized in that: Limit blocks (7) are fixedly mounted on both side surfaces of the inner rod (201), and limit grooves (8) matching the limit blocks (7) are provided on both side inner walls of the sleeve (101), and the two limit blocks (7) are slidably connected to the inner walls of the limit grooves (8).

5. The biopsy forceps capable of storing and protecting samples according to claim 1, characterized in that: The outer surface of the sleeve (101) is provided with a thread line (9), the outer surface of the thread line (9) is threadedly sleeved with a threaded barrel (10), and a plurality of limiting plates (11) are fixedly mounted on the surface of the threaded barrel (10).

6. A biopsy forceps capable of storing and protecting samples according to claim 5, characterized in that: A limiting ring (12) is fixedly provided on the outer surface of the sleeve (101) at the front end of the thread line (9).

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