CN215078974U - Bone marrow biopsy needle with forceps taking device - Google Patents
Bone marrow biopsy needle with forceps taking device Download PDFInfo
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- CN215078974U CN215078974U CN202120169474.4U CN202120169474U CN215078974U CN 215078974 U CN215078974 U CN 215078974U CN 202120169474 U CN202120169474 U CN 202120169474U CN 215078974 U CN215078974 U CN 215078974U
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- pincers
- outer tube
- sleeve
- biopsy needle
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Abstract
The utility model discloses a take pincers to get marrow biopsy needle of device, concretely relates to medical instrument field, including outer tube and nook closing member, the nook closing member sets up in the inside of outer tube, the outside cover of outer tube is equipped with pincers and gets the sleeve pipe, pincers are got sheathed tube bottom and are provided with pincers and get the claw, pincers are got and are kept away from the fixed connecting portion that are provided with of one end that pincers got the claw on the sleeve pipe, connecting portion are kept away from pincers and are got the fixed embedding portion that is provided with of sheathed tube one end, the upper end of embedding portion sets up in the inside of outer tube, the embedding portion is located the fixed buckle that is provided with of the inside one end of outer tube, be provided with first calorie of hole and second card hole on the lateral wall of outer tube. The utility model discloses can prevent that the bone marrow tissue that pincers got from losing, guarantee that disposable sample is successful, can enough reduce the misery of patient's sample many times, can reduce sample many times again and increase patient infection, bleeding probability.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, the utility model relates to a take marrow biopsy needle of pincers device of getting.
Background
The bone marrow biopsy is one of the common examinations of blood system diseases, and the bone marrow biopsy can maintain the bone marrow structure, show the relationship between bone marrow cells and tissues, the density of hematopoietic cells and the distribution of hematopoietic tissues, show the anatomical relationship between bone trabecula, blood vessels, fat and connective tissue matrixes, and has important significance for diagnosing various blood system diseases. The length of the obtained bone marrow tissue is very important for the accuracy of pathological diagnosis, the optimal length is 2-3 cm, and the minimum acceptable standard is 1.5-2.0 cm.
The existing bone marrow biopsy needle consists of an outer sleeve and a needle core, the needle core is extracted and then bone marrow tissue is taken out by utilizing a cavity in the outer sleeve, the bottom end of the outer sleeve is of an open structure, a clamping device is lacked, the loss of a specimen can be caused, the condition that the length of the bone marrow tissue taken out is insufficient or even the bone marrow tissue cannot be taken out appears in a part of patients is particularly common in the elderly, osteoporosis and multiple myeloma patients, repeated biopsy is needed, however, a part of patients still cannot obtain qualified bone marrow tissue, the accuracy of pathological diagnosis can be influenced on the one hand, on the other hand, the patients can bear more pain and trauma, and the risk of bleeding, infection and even fracture is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides a take marrow biopsy needle of pincers device, the utility model aims to solve the technical problem that: how to take out the bone marrow tissue at one time conveniently reduces the pain and infection risk born by the patient.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take marrow biopsy needle of pincers device of getting, includes outer tube and nook closing member, the nook closing member sets up in the inside of outer tube, the outside cover of outer tube is equipped with pincers and gets the sleeve pipe, pincers get sheathed tube bottom and be provided with pincers and get the claw, pincers get keep away from the fixed connecting portion that are provided with of one end that pincers got the claw on the sleeve pipe, connecting portion are kept away from pincers and are got the fixed embedding portion that is provided with of sheathed tube one end, the upper end of embedding portion sets up in the inside of outer tube, the embedding portion is located the fixed buckle that is provided with of the inside one end of outer tube, be provided with first calorie of hole and second calorie of hole on the lateral wall of outer tube.
In a preferred embodiment, the snap fits into the first and second snap holes.
In a preferred embodiment, the forceps-taking sleeve and the embedding part are both made of medical steel materials, the connecting part is made of elastic plastics, and the inner side wall of the forceps-taking sleeve is in contact with the outer side wall of the outer sleeve.
In a preferred embodiment, the grasping jaw is formed of three triangles, and the three triangles form a triangular prism shape when combined.
In a preferred embodiment, the insertion portion is slidably connected to a side wall of the outer sleeve, and a through groove is formed at a connection position of the outer sleeve and the insertion portion.
In a preferred embodiment, the connecting part and the connecting part of the embedding part and the clamping sleeve are provided with a convex structure, and the clamping sleeve is connected with the outer sleeve in a sliding way.
Compared with the prior art, the utility model discloses a technological effect and advantage:
the utility model discloses a be provided with pincers and get the sleeve pipe, pincers are got the claw, connecting portion, embedding portion, buckle and card hole, the biopsy needle passes patient's cortex bone matter and takes out the back with the nook closing member, bone marrow tissue enters into the inside cavity of outer tube, release from first card hole through pressing down the buckle that the connecting portion will be in the embedding portion, then outwards pull out the outer tube, make buckle card go into in the second card hole on the outer tube, the pincers that pincers got the sleeve pipe bottom at this moment get the claw and fold, it is closed with the uncovered structure of outer tube bottom, then withdraw the biopsy needle again, pincers are got the claw and can be assisted the outer tube and get the pincers of bone marrow tissue, and can prevent that the bone marrow tissue that pincers were got from losing, guarantee that once only takes a sample successfully, can enough reduce the misery that patient took a lot of samples many times, can reduce again and take a lot of samples and increase patient's infection, the probability of bleeding.
Drawings
Fig. 1 is a schematic structural view of a conventional biopsy needle.
Fig. 2 is a schematic structural view of the present invention when it passes through cortical bone.
Fig. 3 is a schematic structural view of the biopsy needle withdrawing device of the present invention.
Fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.
The reference signs are: the needle clamp comprises an outer sleeve 1, a needle core 2, a clamping sleeve 3, a clamping claw 4, a connecting part 5, an embedded part 6, a buckle 7, a first clamping hole 8 and a second clamping hole 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The bone marrow biopsy needle with the forceps taking device shown in the figures 2-4 comprises an outer sleeve 1 and a needle core 2, wherein the needle core 2 is arranged inside the outer sleeve 1, the outer side of the outer sleeve 1 is sleeved with the forceps taking sleeve 3, a forceps taking claw 4 is arranged at the bottom end of the forceps taking sleeve 3, a connecting portion 5 is fixedly arranged at one end, far away from the forceps taking claw 4, of the forceps taking sleeve 3, a connecting portion 5 is fixedly arranged at one end, far away from the forceps taking sleeve 3, of the connecting portion 5, an embedding portion 6 is fixedly arranged, the upper end of the embedding portion 6 is arranged inside the outer sleeve 1, a buckle 7 is fixedly arranged at one end, located inside the outer sleeve 1, of the embedding portion 6, and a first clamping hole 8 and a second clamping hole 9 are formed in the side wall of the outer sleeve 1.
In a preferred embodiment, the snap 7 is matched with the first snap hole 8 and the second snap hole 9, and the snap 7 is snapped into the first snap hole 8 and the second snap hole 9 to fix the inserting sleeve 3.
In a preferred embodiment, the forceps take the sleeve 3 and the embedding part 6 are both made of medical steel materials, the connecting part 5 is made of elastic plastics, the inner side wall of the forceps take the sleeve 3 is in contact with the outer side wall of the outer sleeve 1, the forceps take the sleeve 3 and the embedding part 6 are made of medical steel materials, the forceps take the sleeve 3 and need to enter the cortex of a patient, the medical steel materials cannot cause infection to the patient, and the connecting part 5 can automatically reset after being pressed by the elastic plastics.
In a preferred embodiment, the clamping jaws 4 are formed by three triangles, and the three clamping jaws 4 are made of elastic material, and the three triangles can be elastically folded by the material.
In a preferred embodiment, the insertion portion 6 is slidably connected to a side wall of the outer sleeve 1, a through groove is formed at a connection position of the outer sleeve 1 and the insertion portion 6, and the insertion portion 6 can move at the through groove, so that the clamping of the buckle 7 with the first clamping hole 8 and the second clamping hole 9 is facilitated.
In a preferred embodiment, the connecting portion 5, the embedded portion 6 and the forceps sleeve 3 are both provided with a protruding structure, the forceps sleeve 3 is slidably connected with the outer sleeve 1, and the protruding structure facilitates pressing of the connecting portion 5 and taking of the biopsy needle device and makes the whole biopsy needle more beautiful.
The implementation mode is specifically as follows: when in use, the buckle 7 is clamped into the first clamping hole 8 at the upper end of the outer sleeve 1, the needle core 2 is inserted into the outer sleeve 1, the forceps taking claw 4 at the bottom end of the forceps taking sleeve 3 is positioned at the outer side of the needle core 2, the biopsy needle passes through the cortex of a patient by utilizing the needle core 2 to take out the needle core 2, the bone marrow tissue of the patient can enter the cavity inside the outer sleeve 1, the insert part 6 is pushed by pressing the connection part 5, so that the catch 7 at the upper end of the insert part 6 is pushed out of the first catch hole 8, then the outer sleeve 1 is drawn out outwards, so that the outer sleeve 1 moves relative to the clamping sleeve 3, the buckle 7 is clamped in the second clamping hole 9, at the moment, the clamping claw 4 at the bottom end of the clamping sleeve 3 is folded to close the opening at the bottom end of the outer sleeve 1, then the biopsy needle is withdrawn, the buckle 7 is clamped into the first clamping hole 8 again, the clamping claw 4 is opened, the opening at the bottom end of the outer sleeve 1 is leaked out, and the bone marrow tissue in the outer sleeve 1 is taken out by using the sampling rod.
The utility model discloses beneficial effect: get sleeve 3 through being provided with pincers, claw 4 is got to pincers, connecting portion 5, embedding part 6, buckle 7 and card hole, the biopsy needle passes patient's cortex and takes out the back with the nook closing member, the marrow tissue enters into the inside cavity of outer tube 1, release buckle 7 on embedding part 6 from first calorie of hole 8 through pressing connecting portion 5, then outwards pull out outer tube 1, make buckle 7 block in second calorie of hole 9 on the outer tube, the pincers that get sleeve 3 bottom of pincers get claw 4 and fold this moment, close the uncovered structure of outer tube 1 bottom, then withdraw the biopsy needle again, claw 4 is got to pincers can assist outer tube 1 to the pincers of marrow tissue to get, and can prevent that the marrow tissue that pincers got from losing, guarantee that once only takes a sample successfully, can enough reduce the misery that patient sampled many times, can reduce again and sample many times and increase patient's infection, the probability of hemorrhage.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a take marrow biopsy needle of pincers device, includes outer tube (1) and nook closing member (2), nook closing member (2) set up in the inside of outer tube (1), its characterized in that: the outer side cover of outer tube (1) is equipped with pincers and gets sleeve pipe (3), the bottom that pincers got sleeve pipe (3) is provided with pincers and gets claw (4), pincers get the fixed connecting portion (5) that are provided with of one end of keeping away from pincers and getting claw (4) on sleeve pipe (3), connecting portion (5) are kept away from pincers and are got the fixed embedding portion (6) that is provided with of one end of sleeve pipe (3), the upper end of embedding portion (6) sets up in the inside of outer tube (1), embedding portion (6) are located the fixed buckle (7) that is provided with of the inside one end of outer tube (1), be provided with first card hole (8) and second card hole (9) on the lateral wall of outer tube (1).
2. The biopsy needle with a forceps device of claim 1, wherein: the buckle (7) is matched with the first clamping hole (8) and the second clamping hole (9).
3. The biopsy needle with a forceps device of claim 1, wherein: the forceps taking sleeve (3) and the embedding part (6) are made of medical steel materials, the connecting part (5) is made of elastic plastics, and the inner side wall of the forceps taking sleeve (3) is in contact with the outer side wall of the outer sleeve (1).
4. The biopsy needle with a forceps device of claim 1, wherein: the clamping claw (4) is composed of three triangles, and the three triangles are combined to form a triangular prism shape.
5. The biopsy needle with a forceps device of claim 1, wherein: the embedding part (6) is connected with the side wall of the outer sleeve (1) in a sliding mode, and a through groove is formed in the joint of the outer sleeve (1) and the embedding part (6).
6. The biopsy needle with a forceps device of claim 1, wherein: the connecting part (5) is connected with the embedding part (6) and the clamping sleeve (3) in a protruding mode, and the clamping sleeve (3) is connected with the outer sleeve (1) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120169474.4U CN215078974U (en) | 2021-01-22 | 2021-01-22 | Bone marrow biopsy needle with forceps taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120169474.4U CN215078974U (en) | 2021-01-22 | 2021-01-22 | Bone marrow biopsy needle with forceps taking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215078974U true CN215078974U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120169474.4U Active CN215078974U (en) | 2021-01-22 | 2021-01-22 | Bone marrow biopsy needle with forceps taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215078974U (en) |
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2021
- 2021-01-22 CN CN202120169474.4U patent/CN215078974U/en active Active
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