CN215018645U - Bone marrow puncture needle for hematology department - Google Patents
Bone marrow puncture needle for hematology department Download PDFInfo
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- CN215018645U CN215018645U CN202120702905.9U CN202120702905U CN215018645U CN 215018645 U CN215018645 U CN 215018645U CN 202120702905 U CN202120702905 U CN 202120702905U CN 215018645 U CN215018645 U CN 215018645U
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- bone marrow
- fixedly connected
- marrow puncture
- limiting
- puncture needle
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Abstract
The utility model discloses a hematology department marrow puncture needle, relating to the technical field of medical appliances. The utility model discloses a bone marrow puncture mechanism, bone marrow puncture mechanism are used for absorbing the bone marrow, bone marrow puncture mechanism's outside fixedly connected with stop gear, stop gear is used for carrying on spacingly to bone marrow puncture mechanism, stop gear includes limit sleeve, limit sleeve's inside sliding connection has the vaulting pole, the lower extreme of vaulting pole runs through limit sleeve fixedly connected with limit backing plate, limit sleeve's inside still is equipped with the return spring, the lower extreme threaded connection in the limit sleeve outside has stop screw. The utility model discloses a set up stop gear and can make marrow puncture mechanism more stable when aspirating the marrow, hoisting device's stability is avoided the device to carry out the secondary injury to the patient sucking the marrow, and the cooperation through each accessory of marrow puncture mechanism can be simply laborsaving aspirate patient's marrow to provide very big facility for the user.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, especially, relate to a hematology department marrow pjncture needle.
Background
The bone marrow puncture is a common diagnosis technology of bone marrow liquid, the examination content of which comprises cytology, protozoa, bacteriology and other aspects, and is suitable for diagnosis, differential diagnosis and treatment follow-up of various blood diseases; increase or decrease in the number of erythrocytes, leukocytes, platelets and morphological abnormalities of unknown origin; the diagnosis and differential diagnosis of fever caused by unknown reasons can be used for bone marrow culture, parasite finding of bone marrow smear and the like, a bone marrow puncture needle is needed when bone marrow puncture is performed, but the stability is poor when the existing bone marrow puncture is used for sucking the bone marrow, the bone marrow is easy to perform secondary injury on a patient when the bone marrow is sucked, and the process is more and more laborious when the bone marrow of the patient is sucked, thereby providing great inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hematology department bone marrow pjncture needle to current problem has been solved: the stability is relatively poor when using current marrow puncture to aspirate to the marrow, carries out the suction to the marrow and carries out secondary injury to the patient easily.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a hematology department's marrow pjncture needle, including marrow puncture mechanism, marrow puncture mechanism is used for absorbing the marrow, marrow puncture mechanism's outside fixedly connected with stop gear, stop gear is used for carrying on spacingly to marrow puncture mechanism.
Further, stop gear includes limit sleeve, limit sleeve's inside sliding connection has the vaulting pole, the lower extreme of vaulting pole runs through limit sleeve fixedly connected with spacing backing plate, limit sleeve's inside still is equipped with the return spring, the lower extreme threaded connection in the limit sleeve outside has stop screw.
Furthermore, one side of the limiting sleeve is fixedly connected with two connecting pieces, and one end, far away from the limiting sleeve, of each connecting piece is fixedly connected with the bone marrow puncture mechanism.
Furthermore, the lower extreme fixedly connected with reinforcing ring outside the spacing sleeve, reinforcing ring and stop screw threaded connection.
Furthermore, the bone marrow puncture mechanism comprises a protective shell, a detachable puncture needle body is assembled at the lower end of the protective shell, a limiting ring is fixedly connected at the middle position of the upper end of the protective shell, a threaded rod is slidably connected inside the limiting ring, a push plate is fixedly connected at one end of the threaded rod, which is positioned inside the protective shell, a sealing push block is fixedly connected at the lower end of the push plate, and the sealing push block and the protective shell are in transition fit;
the utility model discloses a protective housing, including spacing circle, screw thread transmission ring, threaded rod, battery and drive motor, the upper end of spacing circle is rotated and is connected with screw thread transmission ring, screw thread transmission ring and threaded rod threaded connection, the driven ring gear that meshes of outside fixedly connected with of screw thread transmission ring, fixedly connected with battery and drive motor are still gone back to protective housing's upper end, battery and drive motor electric connection for provide the electric energy to drive motor, drive motor's output fixedly connected with transmission bevel gear, transmission bevel gear and driven mesh ring meshing are connected.
Further, the material of the sealing push block can be rubber.
Further, the upper end of the protective shell is fixedly connected with a motor base, and the transmission motor is connected to the upper end of the motor base through a screw.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up stop gear and can make marrow puncture mechanism more stable when aspirating the marrow, hoisting device's stability is avoided the device to carry out the secondary injury to the patient aspirating the marrow.
2. The utility model discloses a cooperation of each accessory of bone marrow puncture mechanism can be simple laborsaving aspirate patient's marrow to provide very big facility for the user.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a bone marrow puncture needle for hematology of the present invention;
FIG. 2 is a schematic view of a cutting structure of a bone marrow puncture needle limiting mechanism of the hematology department;
FIG. 3 is a schematic view of a bone marrow puncture mechanism of a bone marrow puncture needle for hematology department;
fig. 4 is a large view of the bone marrow puncture needle of the blood department of the present invention at the position A in fig. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a bone marrow puncture mechanism; 2. a limiting mechanism; 3. a limiting sleeve; 4. a stay bar; 5. a limiting base plate; 6. a limit screw; 7. reinforcing rings; 8. a return spring; 9. a connecting member; 10. a protective housing; 11. a puncture needle body; 12. a threaded rod; 13. a push plate; 14. sealing the push block; 15. a storage battery; 16. a motor base; 17. a drive motor; 18. a drive bevel gear; 19. a limiting ring; 20. a threaded drive ring; 21. the driven meshes the gear ring.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention relates to a bone marrow puncture needle for hematology department, which comprises a bone marrow puncture mechanism 1, wherein the bone marrow puncture mechanism 1 is used for sucking bone marrow, a position-limiting mechanism 2 is fixedly connected to the outer side of the bone marrow puncture mechanism 1, and the position-limiting mechanism 2 is used for limiting the position of the bone marrow puncture mechanism 1;
the limiting mechanism 2 comprises a limiting sleeve 3, a supporting rod 4 is connected to the inside of the limiting sleeve 3 in a sliding mode, a limiting base plate 5 is fixedly connected to the lower end of the supporting rod 4, penetrates through the limiting sleeve 3, and is fixedly connected with a limiting base plate 5, a return spring 8 is further assembled inside the limiting sleeve 3 and is used for pushing the supporting rod 4 to enable the supporting rod 4 to reset, a limiting screw 6 is connected to the lower end of the outer side of the limiting sleeve 3 through threads, the supporting rod 4 can be effectively limited through the limiting screw 6, two connecting pieces 9 are fixedly connected to one side of the limiting sleeve 3, one ends, far away from the limiting sleeve 3, of the two connecting pieces 9 are fixedly connected with the bone marrow puncture mechanism 1, and the limiting sleeve 3 and the bone marrow puncture mechanism 1 can be connected more firmly through the connecting pieces 9;
specifically, the lower end of the outer side of the limiting sleeve 3 is fixedly connected with a reinforcing ring 7, the reinforcing ring 7 is in threaded connection with the limiting screw 6, and the limiting sleeve 3 and the limiting screw 6 can be connected more stably by arranging the reinforcing ring 7;
further, the bone marrow puncture mechanism 1 comprises a protective casing 10, a detachable puncture needle body 11 is assembled at the lower end of the protective casing 10, a limit ring 19 is fixedly connected at the middle position of the upper end of the protective casing 10, a threaded rod 12 is slidably connected inside the limit ring 19, a push plate 13 is fixedly connected at one end of the threaded rod 12, which is positioned inside the protective casing 10, a sealing push block 14 is fixedly connected at the lower end of the push plate 13, the sealing push block 14 and the protective casing 10 are in transition fit, air inside the protective casing 10 can be effectively pushed by arranging the sealing push block 14, and larger negative pressure is generated inside the protective casing 10;
in detail, the material of the sealing push block 14 may be rubber, and by setting the material of the sealing push block 14 to be rubber, a gap may not be formed between the bone marrow puncture mechanism 1 and the sealing push block 14;
the upper end of the limiting ring 19 is rotatably connected with a threaded transmission ring 20, the threaded transmission ring 20 is in threaded connection with the threaded rod 12, the outer side of the threaded transmission ring 20 is fixedly connected with a driven meshed gear ring 21, the upper end of the protective shell 10 is also fixedly connected with a storage battery 15 and a transmission motor 17, the storage battery 15 is electrically connected with the transmission motor 17 and used for providing electric energy for the transmission motor 17, the output end of the transmission motor 17 is fixedly connected with a transmission bevel gear 18, the transmission bevel gear 18 is in meshed connection with the driven meshed gear ring 21, and the transmission motor 17 is started to drive the threaded transmission ring 20 to rotate so that the threaded rod 12 vertically moves;
the upper end of the protective casing 10 is fixedly connected with a motor base 16, a transmission motor 17 is connected to the upper end of the motor base 16 through screws, and the transmission motor 17 can be installed more conveniently by arranging the motor base 16.
One specific application of this embodiment is: when the bone marrow puncture mechanism is used, the puncture needle body 11 penetrates into a patient, when the bone marrow puncture mechanism 1 moves, the limit base plate 5 is limited by the body of the patient when contacting with the patient, the limit sleeve 3 is driven to move when the bone marrow puncture mechanism 1 moves, the position of the support rod 4 in the limit sleeve 3 can be adjusted when the limit sleeve 3 moves, after the position of the bone marrow puncture mechanism 1 is adjusted, the limit screw 6 is rotated to enable the limit screw 6 to contact with the support rod 4, the support rod 4 is fixed by the limit screw 6, the bone marrow puncture mechanism 1 can be more stable when sucking bone marrow by arranging the limit mechanism 2, the stability of the device is improved, and secondary injury to the patient is avoided;
in the use process, the storage battery 15 which is electrically connected with the transmission motor 17 through a lead wire starts the transmission motor 17, the transmission motor 17 drives the transmission bevel gear 18 to rotate when being started, because the transmission bevel gear 18 is meshed with the driven meshed gear ring 21, when the transmission bevel gear 18 rotates, the driven meshed gear ring 21 drives the threaded transmission ring 20 to rotate, because the thread transmission ring 20 is in threaded connection with the threaded rod 12, the threaded rod 12 is driven to vertically move when the thread transmission ring 20 rotates, the sealing push block 14 is driven to move together by the push plate 13 when the threaded rod 12 moves, and a large negative pressure is generated inside the protective shell 10 when the sealing push block 14 moves, the bone marrow is extracted, and the bone marrow of a patient can be simply and laborsavingly sucked by matching of all accessories of the bone marrow puncture mechanism 1, so that great convenience is provided for a user.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The bone marrow puncture needle for the hematology department is characterized by comprising a bone marrow puncture mechanism (1), wherein the bone marrow puncture mechanism (1) is used for sucking bone marrow, a limiting mechanism (2) is fixedly connected to the outer side of the bone marrow puncture mechanism (1), and the limiting mechanism (2) is used for limiting the bone marrow puncture mechanism (1).
2. A hematology bone marrow puncture needle according to claim 1, characterized in that the limiting mechanism (2) comprises a limiting sleeve (3), a stay bar (4) is slidably connected inside the limiting sleeve (3), the lower end of the stay bar (4) penetrates through the limiting sleeve (3) and is fixedly connected with a limiting cushion plate (5), a return spring (8) is further assembled inside the limiting sleeve (3), and a limiting screw (6) is in threaded connection with the lower end outside the limiting sleeve (3).
3. A bone marrow puncture needle for hematology department according to claim 2, characterized in that two connecting pieces (9) are fixedly connected with one side of the limiting sleeve (3), and one end of the two connecting pieces (9) far away from the limiting sleeve (3) is fixedly connected with the bone marrow puncture mechanism (1).
4. A hematology bone marrow puncture needle according to the claim 2, characterized in that the lower end of the outside of the limiting sleeve (3) is fixedly connected with a reinforcing ring (7), and the reinforcing ring (7) is in threaded connection with the limiting screw (6).
5. The bone marrow puncture needle for hematology department according to claim 1, characterized in that the bone marrow puncture mechanism (1) comprises a protective casing (10), the lower end of the protective casing (10) is assembled with a detachable puncture needle body (11), a limiting ring (19) is fixedly connected to the middle position of the upper end of the protective casing (10), a threaded rod (12) is slidably connected to the inside of the limiting ring (19), a push plate (13) is fixedly connected to one end of the threaded rod (12) positioned inside the protective casing (10), a sealing push block (14) is fixedly connected to the lower end of the push plate (13), and the sealing push block (14) and the protective casing (10) are in transition fit;
the upper end of spacing collar (19) is rotated and is connected with screw thread drive ring (20), screw thread drive ring (20) and threaded rod (12) threaded connection, the driven ring gear (21) that meshes of the outside fixedly connected with of screw thread drive ring (20), fixedly connected with battery (15) and drive machine (17) are still gone back to the upper end of protecting sheathing (10), battery (15) and drive machine (17) electric connection for provide the electric energy to drive machine (17), the output fixedly connected with transmission bevel gear (18) of drive machine (17), transmission bevel gear (18) and driven ring gear (21) meshing connection.
6. A puncture needle for bone marrow in hematology department according to claim 5, characterized in that the material of the sealing push block (14) can be rubber.
7. A hematology bone marrow puncture needle according to the claim 5, characterized in that the upper end of the protective casing (10) is fixedly connected with a motor base (16), and the transmission motor (17) is screwed on the upper end of the motor base (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702905.9U CN215018645U (en) | 2021-04-07 | 2021-04-07 | Bone marrow puncture needle for hematology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702905.9U CN215018645U (en) | 2021-04-07 | 2021-04-07 | Bone marrow puncture needle for hematology department |
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| Publication Number | Publication Date |
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| CN215018645U true CN215018645U (en) | 2021-12-07 |
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| CN202120702905.9U Active CN215018645U (en) | 2021-04-07 | 2021-04-07 | Bone marrow puncture needle for hematology department |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116999116A (en) * | 2023-03-14 | 2023-11-07 | 首都医科大学附属北京天坛医院 | Minimally invasive bone marrow injection and sampling device through skull |
-
2021
- 2021-04-07 CN CN202120702905.9U patent/CN215018645U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116999116A (en) * | 2023-03-14 | 2023-11-07 | 首都医科大学附属北京天坛医院 | Minimally invasive bone marrow injection and sampling device through skull |
| CN116999116B (en) * | 2023-03-14 | 2024-07-30 | 首都医科大学附属北京天坛医院 | Minimally invasive bone marrow injection and sampling device through skull |
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