CN210843304U - Femoral head necrosis pulp cavity pressure reducer - Google Patents
Femoral head necrosis pulp cavity pressure reducer Download PDFInfo
- Publication number
- CN210843304U CN210843304U CN201921112392.5U CN201921112392U CN210843304U CN 210843304 U CN210843304 U CN 210843304U CN 201921112392 U CN201921112392 U CN 201921112392U CN 210843304 U CN210843304 U CN 210843304U
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- Prior art keywords
- shell
- outlet pipe
- liquid outlet
- tank body
- fixedly arranged
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- Expired - Fee Related
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 14
- 230000017074 necrotic cell death Effects 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000010079 rubber tapping Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 14
- 210000000988 bone and bone Anatomy 0.000 abstract description 13
- 239000002826 coolant Substances 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
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Abstract
A femoral head necrosis marrow cavity pressure reducer relates to the technical field of medical appliances, a fixed seat is clamped at the upper part of a clamping block through a clamping groove, and a handle is fixedly arranged at the upper part of the fixed seat; the upper part of the outer side wall of the shell is fixedly connected with a liquid inlet pipe and a first liquid outlet pipe, and the first liquid outlet pipe is arranged on the lower side of the liquid inlet pipe; the right end of the liquid inlet pipe is connected with a second liquid outlet pipe through a joint; a tank body is arranged on the right side of the needle rod assembly, a sealing plug is fixedly inserted in the upper part of the tank body, and the lower end of the second liquid outlet pipe extends to the inner bottom surface of the tank body after penetrating a plurality of sealing plugs; the bottom of the tank body is fixedly provided with a fixed support, and the upper part of the fixed support is fixedly provided with an air pump through a motor support; fixedly connected with air duct on the output of aspiration pump can help medical personnel with the inside of the bone that the drill bit of drilling impeld, and the operation is fairly simple, has avoided medical personnel in the crooked situation of operation in-process needle bar, simultaneously, alleviates the thematic condition of bone.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to femoral head necrosis pulp cavity pressure reducer.
Background
Medical science is clinically need to use a pulp cavity pressure reducer in treatment femoral head necrosis, pulp cavity pressure reducer among the prior art generally adopts be the bone decompression needle, the bone decompression needle is by the needle point, self tapping formula screw thread and needle bar and handle are constituteed, the handle middle part is the T-connection with the needle bar rear end, pierce the sclerotin through self tapping formula screw thread and needle point, the propulsive force through the needle point is rotatory on the skeleton and is drilled smooth mellow and graceful decompression aperture, discharge too high pressure in the bone cavity from this aperture, the easy frictional heating when the inside of skeleton is advanced in the rotation, because the skeleton is harder, when using the handle to operate, the needle bar is crooked in drilling process very easily, increase the drilling route, the operation is more difficult, increase the drilling time, treat to improve urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a femoral head necrosis pulp cavity pressure reducer of reasonable in design, can help medical personnel with the inside of the bone that the drill bit of drilling impeld, the operation is fairly simple, has avoided medical personnel in the crooked situation of operation in-process needle bar, simultaneously, alleviates the thematic condition of bone.
In order to achieve the above purpose, the utility model adopts the following technical proposal: it comprises a needle rod component, a self-tapping thread and a needle head; the lower end of the needle rod assembly is fixedly provided with self-tapping threads, the bottom end of the self-tapping threads is fixedly provided with a needle head, and the needle head is arranged in a triangular pyramid-shaped needle point; the device also comprises a handle, a fixed seat, a liquid inlet pipe, a first liquid outlet pipe, a second liquid outlet pipe, a tank body, an air guide pipe, a sealing plug, a fixed bracket, an air pump and a power supply; a limiting plate is fixedly arranged at the upper end of the needle rod assembly, a clamping block is fixedly arranged at the upper part of the limiting plate, a fixed seat is arranged at the upper part of the clamping block, a clamping groove is fixedly formed in the inner bottom of the fixed seat, the fixed seat is clamped at the upper part of the clamping block through the clamping groove, and a handle is fixedly arranged at the upper part of the fixed seat; the needle bar assembly comprises a shell and a fixing column; a fixed column is fixedly arranged inside the shell, the upper end of the fixed column is fixedly connected with the inner top surface of the shell, the lower end of the fixed column is fixedly arranged on the inner bottom surface of the shell, and a gap is formed between the peripheral wall inside the shell and the outer side wall of the fixed column; the upper part of the outer side wall of the shell is fixedly connected with a liquid inlet pipe and a liquid outlet pipe I, the liquid outlet pipe I is arranged on the lower side of the liquid inlet pipe, and the liquid inlet pipe and the liquid outlet pipe I are communicated with a gap inside the shell; the right end of the liquid inlet pipe is connected with a second liquid outlet pipe through a joint; a tank body is arranged on the right side of the needle rod assembly, a sealing plug is fixedly inserted in the upper part of the tank body, and the lower end of the second liquid outlet pipe extends to the inner bottom surface of the tank body after penetrating a plurality of sealing plugs; a fixed support is fixedly arranged at the bottom of the tank body, an air suction pump is fixedly arranged at the upper part of the fixed support through a motor support, a power supply is fixedly arranged on the fixed support on the right side of the air suction pump, and the air suction pump is connected with the power supply; the output end of the air pump is fixedly connected with an air duct, and the upper end of the air duct extends to the upper part of the inner side of the tank body after penetrating through the sealing plug.
Furthermore, the clamping groove is a cross-shaped groove, and the clamping block is a cross-shaped clamping block.
Furthermore, a scale layer is fixedly arranged on the front side wall of the shell.
Furthermore, the outer side wall of the shell is sleeved with a limiting sleeve seat, a locking bolt is inserted into the front side of the limiting sleeve seat through rotation of threads, and the inner end of the locking bolt abuts against the outer side wall of the shell.
Furthermore, the bottom of the handle is fixedly provided with a finger groove, and the finger groove and the handle are of an integrated structure.
Furthermore, the liquid inlet pipe and the first liquid outlet pipe are both sleeved with flow switches.
After the structure is adopted, the beneficial effects of the utility model are that: a femoral head necrosis pulp cavity pressure reducer, can help medical personnel with the inside of the bone that the drill bit of drilling impeld, the operation is fairly simple, has avoided medical personnel in the crooked situation of operation in-process needle bar, simultaneously, alleviates the thematic condition of bone, the utility model has the advantages of set up rationally, the cost of manufacture is low.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the utility model discloses a connection structure schematic diagram of fixing base, limiting plate, fixture block and draw-in groove.
Fig. 3 is a schematic view of the internal structure of the needle bar assembly of the present invention.
Fig. 4 is a schematic structural view of the stop collar seat of the present invention.
Description of reference numerals:
the needle bar assembly comprises a needle bar assembly 1, a shell 1-1, a fixing column 1-2, self-tapping threads 2, a needle head 3, a handle 4, a fixing seat 5, a liquid inlet pipe 6, a first liquid outlet pipe 7, a second liquid outlet pipe 8, a tank body 9, a gas guide pipe 10, a sealing plug 11, a fixing support 12, an air suction pump 13, a power supply 14, a limiting plate 15, a clamping block 16, a clamping groove 17, a scale layer 18, a limiting sleeve seat 19, a locking bolt 20, a finger groove 21 and a flow switch 22.
The specific implementation mode is as follows:
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.
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: it comprises a needle bar component 1, self-tapping threads 2 and a needle head 3; the lower end of the needle rod assembly 1 is fixedly welded with self-tapping threads 2, the bottom end of the self-tapping threads 2 is fixedly welded with a needle head 3, and the needle head 3 is arranged in a triangular pyramid-shaped needle point; the device also comprises a handle 4, a fixed seat 5, a liquid inlet pipe 6, a first liquid outlet pipe 7, a second liquid outlet pipe 8, a tank body 9, an air duct 10, a sealing plug 11, a fixed bracket 12, an air suction pump 13 and a power supply 14; a limiting plate 15 is fixedly welded at the upper end of the needle rod assembly 1, a clamping block 16 is fixedly arranged at the upper part of the limiting plate 15, a fixed seat 5 is arranged at the upper part of the clamping block 16, a clamping groove 17 is fixedly arranged at the inner bottom of the fixed seat 5, the fixed seat 5 is clamped at the upper part of the clamping block 16 through the clamping groove 17, when manual drilling is not used, the fixed seat 5 can be taken down, the drill rod assembly is fixedly clamped at the end part of the electric drill bit through the clamping block 16, and a handle 4 is fixedly welded at the upper part of the fixed seat 5; the needle bar assembly 1 comprises a shell 1-1 and a fixing column 1-2; a fixed column 1-2 is fixedly welded in the shell 1-1, the upper end of the fixed column 1-2 is fixedly connected with the inner top surface of the shell 1-1, the lower end of the fixed column 1-2 is fixedly welded on the inner bottom surface of the shell 1-1, and a gap is formed between the peripheral wall in the shell 1-1 and the outer side wall of the fixed column 1-2; the upper part of the outer side wall of the shell 1-1 is fixedly connected with a liquid inlet pipe 6 and a liquid outlet pipe 7, the liquid outlet pipe 7 is arranged at the lower side of the liquid inlet pipe 6, and the liquid inlet pipe 6 and the liquid outlet pipe 7 are communicated with the gap inside the shell 1-1; the right end of the liquid inlet pipe 6 is connected with a second liquid outlet pipe 8 through a joint; a tank body 9 is arranged on the right side of the needle rod assembly 1, a sealing plug 11 is fixedly inserted in the upper part of the tank body 9, the lower end of the second liquid outlet pipe 8 penetrates through the multi-sealing plug 11 and then extends to the inner bottom surface of the tank body 9, and cooling liquid is filled in the tank body 9 for cooling; a fixed support 12 is fixedly welded at the bottom of the tank body 9, an air suction pump 13 is fixedly arranged at the upper part of the fixed support 12 through a motor support and bolts, the air suction pump 13 adopts a KVP04-1.1-24 micro vacuum pump, a power supply 14 is fixedly arranged on the fixed support 12 at the right side of the air suction pump 13, the power supply 14 adopts a rechargeable storage battery, and the air suction pump 13 is connected with the power supply 14; the output end of the air pump 13 is fixedly connected with an air duct 10, and the upper end of the air duct 10 extends to the upper part of the inner side of the tank body 9 after passing through the sealing plug 11.
Further, the clamping groove 17 is a cross-shaped groove, the clamping block 16 is a cross-shaped clamping block 16, and when the handle 4 rotates, the clamping block 16 is not separated from the clamping groove 17.
Furthermore, a scale layer 18 is fixedly arranged on the front side wall of the shell 1-1, so that the drilling depth can be detected in time.
Furthermore, a limiting sleeve seat 19 is sleeved on the outer side wall of the shell 1-1, a locking bolt 20 is rotatably inserted into the front side of the limiting sleeve seat 19 through threads, and the inner end of the locking bolt 20 abuts against the outer side wall of the shell 1-1, so that the final drilling depth is limited, and the drilling depth is prevented from being too deep.
Further, the bottom of the handle 4 is fixedly provided with a finger groove 21, and the finger groove 21 and the handle 4 are of an integrated structure, so that a user can grasp the finger groove conveniently.
Furthermore, the liquid inlet pipe 6 and the first liquid outlet pipe 7 are both sleeved with a flow switch 22, and the structure and principle of the flow switch 22 are the same as those of a flow valve on a transfusion catheter in the prior art.
The working principle of the specific embodiment is as follows: when drilling and pressure reduction are carried out on the femoral head of a patient with femoral head necrosis, cooling liquid is filled in the tank body 9, the air pump 13 is connected with the power supply 14, air is input into the tank body 9 through the air pump 13, when the air pressure in the tank body 9 is increased, the cooling liquid is conveyed into a gap between the shell 1-1 and the fixed column 1-2 from the second liquid outlet pipe 8, when the gap is full, the two flow switches 22 are closed, the liquid inlet pipe 6 is taken down through the joint, and the tank body 9 is placed aside, so that the interference on the drilling process is avoided; then the handle 4 is rotated, and the bone is drilled through the needle head 3 and the self-tapping thread 2; when the strength of the hand of the medical staff is insufficient, the clamping groove 17 and the clamping block 16 are removed, the device is integrally arranged on the external electric drill, the medical staff is helped to push the drilled needle 3 into the bone, and the double use mode is simple to operate, time-saving and labor-saving; after drilling, open flow switch 22, will connect No. two drain pipes 8 with the joint, the inside of jar body 9 is empty, and aspiration pump 13 opens the pressure through gas, discharges the inside coolant liquid of needle bar subassembly 1 from the drain pipe.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the needle rod assembly 1 can be taken down through the clamping groove 17 and the clamping block 16, the device is integrally arranged on an external electric drill, medical staff can be helped to push a drill for drilling into the bone, the operation is simple, and the condition that the needle rod is inclined in the operation process of the medical staff is avoided;
2. by filling the tank 9 with a coolant, the coolant is injected into the needle bar assembly 1 when the device is in use, thereby reducing the heat generation of the bone.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A femoral head necrosis medullary cavity pressure reducer, which comprises a needle rod component (1), self-tapping threads (2) and a needle head (3); the lower end of the needle rod assembly (1) is fixedly provided with a self-tapping thread (2), the bottom end of the self-tapping thread (2) is fixedly provided with a needle head (3), and the needle head (3) is arranged in a triangular pyramid-shaped needle point manner; the method is characterized in that: the device also comprises a handle (4), a fixed seat (5), a liquid inlet pipe (6), a first liquid outlet pipe (7), a second liquid outlet pipe (8), a tank body (9), a gas guide pipe (10), a sealing plug (11), a fixed support (12), an air suction pump (13) and a power supply (14); a limiting plate (15) is fixedly arranged at the upper end of the needle rod assembly (1), a clamping block (16) is fixedly arranged at the upper part of the limiting plate (15), a fixed seat (5) is arranged at the upper part of the clamping block (16), a clamping groove (17) is fixedly arranged at the inner bottom part of the fixed seat (5), the fixed seat (5) is clamped at the upper part of the clamping block (16) through the clamping groove (17), and a handle (4) is fixedly arranged at the upper part of the fixed seat (5); the needle bar assembly (1) comprises a shell (1-1) and a fixing column (1-2); a fixed column (1-2) is fixedly arranged inside the shell (1-1), the upper end of the fixed column (1-2) is fixedly connected with the inner top surface of the shell (1-1), the lower end of the fixed column (1-2) is fixedly arranged on the inner bottom surface of the shell (1-1), and a gap is formed between the peripheral wall inside the shell (1-1) and the outer side wall of the fixed column (1-2); the upper part of the outer side wall of the shell (1-1) is fixedly connected with a liquid inlet pipe (6) and a liquid outlet pipe (7), the liquid outlet pipe (7) is arranged at the lower side of the liquid inlet pipe (6), and the liquid inlet pipe (6) and the liquid outlet pipe (7) are communicated with a gap inside the shell (1-1); the right end of the liquid inlet pipe (6) is connected with a second liquid outlet pipe (8) through a joint; a tank body (9) is arranged on the right side of the needle rod assembly (1), a sealing plug (11) is fixedly inserted in the upper part of the tank body (9), and the lower end of a second liquid outlet pipe (8) extends on the inner bottom surface of the tank body (9) after penetrating through a plurality of sealing plugs (11); a fixed support (12) is fixedly arranged at the bottom of the tank body (9), an air suction pump (13) is fixedly arranged at the upper part of the fixed support (12) through a motor support, a power supply (14) is fixedly arranged on the fixed support (12) on the right side of the air suction pump (13), and the air suction pump (13) is connected with the power supply (14); an air duct (10) is fixedly connected to the output end of the air pump (13), and the upper end of the air duct (10) extends to the upper part of the inner side of the tank body (9) after passing through the sealing plug (11).
2. A femoral head necrosis intramedullary canal reducer according to claim 1, characterized in that: the clamping groove (17) is a cross-shaped groove, and the clamping block (16) is a cross-shaped clamping block.
3. A femoral head necrosis intramedullary canal reducer according to claim 1, characterized in that: a scale layer (18) is fixedly arranged on the front side wall of the shell (1-1).
4. A femoral head necrosis intramedullary canal reducer according to claim 1, characterized in that: the outer side wall of the shell (1-1) is sleeved with a limiting sleeve seat (19), a locking bolt (20) is inserted into the front side of the limiting sleeve seat (19) through rotation of threads, and the inner end of the locking bolt (20) abuts against the outer side wall of the shell (1-1).
5. A femoral head necrosis intramedullary canal reducer according to claim 1, characterized in that: the bottom of the handle (4) is fixedly provided with a finger groove (21), and the finger groove (21) and the handle (4) are of an integrated structure.
6. A femoral head necrosis intramedullary canal reducer according to claim 1, characterized in that: flow switches (22) are sleeved on the liquid inlet pipe (6) and the first liquid outlet pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112392.5U CN210843304U (en) | 2019-07-16 | 2019-07-16 | Femoral head necrosis pulp cavity pressure reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921112392.5U CN210843304U (en) | 2019-07-16 | 2019-07-16 | Femoral head necrosis pulp cavity pressure reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210843304U true CN210843304U (en) | 2020-06-26 |
Family
ID=71301838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921112392.5U Expired - Fee Related CN210843304U (en) | 2019-07-16 | 2019-07-16 | Femoral head necrosis pulp cavity pressure reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210843304U (en) |
-
2019
- 2019-07-16 CN CN201921112392.5U patent/CN210843304U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |