CN214549540U - Disposable bone puncture needle for blood internal medicine - Google Patents
Disposable bone puncture needle for blood internal medicine Download PDFInfo
- Publication number
- CN214549540U CN214549540U CN202021356123.6U CN202021356123U CN214549540U CN 214549540 U CN214549540 U CN 214549540U CN 202021356123 U CN202021356123 U CN 202021356123U CN 214549540 U CN214549540 U CN 214549540U
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- CN
- China
- Prior art keywords
- fixed mounting
- bottom fixed
- puncture needle
- mounting
- bone puncture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 22
- 210000004369 blood Anatomy 0.000 title abstract description 8
- 239000008280 blood Substances 0.000 title abstract description 8
- 239000003814 drug Substances 0.000 title abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 31
- 210000001185 bone marrow Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000003748 differential diagnosis Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000037194 Fever of Unknown Origin Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001772 blood platelet Anatomy 0.000 description 1
- 238000009583 bone marrow aspiration Methods 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014951 hematologic disease Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000000265 leukocyte Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 230000008722 morphological abnormality Effects 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Images
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a blood internal medicine is with disposable bone puncture needle, relate to medical technical field, which comprises an outer shell, the spout has all been seted up at the front and the back of shell body, the inside movable mounting of spout has the slider, the bottom fixed mounting of shell body has the connecting pipe, the bottom fixed mounting of connecting pipe has the connector, the fixing base has been cup jointed to the outside of connector, the bottom fixed mounting of fixing base has first connecting seat, the inside movable mounting of first connecting seat has first movable rod, the bottom fixed mounting of first movable rod has the backup pad, the bottom fixed mounting of backup pad has the second connecting seat, the bottom movable mounting of second connecting seat has the second movable rod, the bottom fixed mounting of second movable rod has the fixed block, the bottom fixed mounting of fixed block has the fixed plate. This disposable bone puncture needle for blood internal medicine possesses the advantage to the bone puncture needle location, makes medical staff pierce through the operation more easily, has solved the problem of hardly deciding the point of puncture, increase medical staff's working strength.
Description
Technical Field
The utility model relates to the technical field of medical science, specifically a blood internal medicine is with disposable bone puncture needle.
Background
Bone marrow aspiration is a common diagnostic technique for taking bone marrow fluid, and the examination includes cytology, protozoa and bacteriology. 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 of unknown origin can be used for bone marrow culture, bone marrow smear for locating parasites, etc.
The traditional method is to use a bone puncture needle to puncture and extract bone marrow liquid after local anesthesia, the existing bone puncture needle only consists of a simple injection needle tube and a puncture needle head, the direct puncture operation is carried out by medical staff, long-time working experience is needed for the selection of puncture points, if the puncture is unsuccessful, not only the puncture operation needs to be carried out again, but also the body of a patient is easily injured, the working intensity of the medical staff is increased, and in the process of puncture, the needle head is easily shaken to cause the puncture depth to be separated outwards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a blood internal medicine is with disposable bone puncture needle possesses to the bone puncture needle location, makes medical staff pierce through the advantage of operation more easily, has solved the problem of hardly deciding the point of puncture, increase medical staff's working strength.
The utility model discloses a solve above-mentioned technical problem, provide following technical scheme: the utility model provides a blood internal medicine is with disposable bone puncture needle, includes the shell body, the bottom fixed mounting of shell body has the connecting pipe, the bottom fixed mounting of connecting pipe has the connector, the fixing base has been cup jointed to the outside of connector, the bottom fixed mounting of fixing base has first connecting seat, the inside movable mounting of first connecting seat has first movable rod, the bottom fixed mounting of first movable rod has the backup pad, the bottom fixed mounting of backup pad has the second connecting seat, the bottom movable mounting of second connecting seat has the second movable rod, the bottom fixed mounting of second movable rod has the fixed block, the bottom fixed mounting of fixed block has the fixed plate.
Further, the front and the back of shell body have all been seted up the spout, the inside movable mounting of spout has the slider, the inside movable mounting of slider has the depression bar, the bottom of depression bar and the top fixed connection of connecting pipe, the spring has been cup jointed to the outside of depression bar.
Through adopting above-mentioned technical scheme, the advantage lies in, then presses the depression bar downwards, and the spring contracts under the effect of pressure, and the depression bar drives the slider and moves down.
Furthermore, the spring is located at the bottom of the sliding block, the top end of the spring is fixedly connected with the sliding block, and the bottom of the spring is fixedly connected with the inner wall of the outer shell.
Through adopting above-mentioned technical scheme, the advantage lies in, when pressing down the depression bar, the spring shrink can produce pressure to the protective sheath, drives the protective sheath and moves down.
Furthermore, the inside of fixing base has cup jointed the protective sheath, the needle tubing has been cup jointed to the inside of protective sheath, the outside of needle tubing is provided with the scale.
By adopting the technical scheme, the novel needle tube puncture device has the advantages that when the pressure rod is pressed downwards, the pressure rod extrudes the protective sleeve, the spring also gives pressure to the protective sleeve, the protective sleeve moves downwards under the pressure of the pressure rod and the spring, so that the needle tube is driven to move downwards, the needle tube performs puncture work, and the puncture distance is determined according to the scales outside the needle tube.
Furthermore, the protective sheath runs through first connector and connecting pipe, and the top and the depression bar fixed connection of protective sheath.
By adopting the technical scheme, the needle tube pressing device has the advantages that the position of the needle tube can be controlled by the pressing rod through connecting the protective sleeve with the pressing rod.
Furthermore, there are four first connection seats, and even symmetry fixed mounting is in the bottom of fixing base, the backup pad cup joints in the outside of protective sheath.
By adopting the technical scheme, the device has the advantages that the position of the needle tube can be better determined by arranging the four fixing plates.
Compared with the prior art, the disposable bone puncture needle for the blood internal medicine has the following beneficial effects:
1. the utility model discloses setting up the device that can fix the needle tubing, being in the contraction state earlier with the needle tubing, making fixed plate and patient skin contact, then to the extrusion fixed plate, the needle tubing just is difficult for removing like this, has reached and has pierced the needle location to the bone, has made medical staff pierce through the effect of operation more easily, has solved the problem of hardly deciding point of puncture, increase medical staff's working strength.
2. The utility model discloses after the position of having confirmed the needle tubing, then press the depression bar downwards, the spring is shrink under the effect of pressure, and the depression bar extrudees the protective sheath, and the spring also gives a pressure of protective sheath simultaneously, and the protective sheath is downstream under the pressure of depression bar and spring to drive the needle tubing and move downwards, the needle tubing carries out puncture work, is provided with the scale in the outside of needle tubing in addition, can be according to, the scale confirms that needs carry out the depth of penetration.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a partial sectional view of the structure of the present invention.
In the figure: 1. an outer housing; 2. a chute; 3. a slider; 4. a pressure lever; 5. a spring; 6. a connecting pipe; 7. a connector; 8. a fixed seat; 9. a first connecting seat; 10. a first movable bar; 11. a support plate; 12. a second connecting seat; 13. a second movable bar; 14. a fixed block; 15. a fixing plate; 16. a protective sleeve; 17. a needle cannula.
Detailed Description
Referring to fig. 1-2, the present invention provides a technical solution: a disposable bone puncture needle for department of hematology comprises an outer shell 1, sliding grooves 2 are formed in the front side and the back side of the outer shell 1, a sliding block 3 is movably mounted inside the sliding grooves 2, the sliding block 3 is matched with the specifications and dimensions of the sliding grooves 2, a pressing rod 4 is movably mounted inside the sliding block 3, the bottom of the pressing rod 4 is fixedly connected with the top of a connecting pipe 6, a spring 5 is sleeved outside the pressing rod 4, the spring 5 is located at the bottom of the sliding block 3, the top end of the spring 5 is fixedly connected with the sliding block 3, the bottom of the spring 5 is fixedly connected with the inner wall of the outer shell 1, when a needle tube 17 is contracted, the pressing rod 4 is pulled upwards, the pressing rod 4 drives the sliding block 3 to move upwards, the sliding block 3 slides inside the sliding grooves 2, the connecting pipe 6 is fixedly mounted at the bottom of the outer shell 1, a connecting head 7 is fixedly mounted at the bottom of the connecting pipe 6, a fixing base 8 is sleeved outside the connecting head 7, a first connecting base 9 is fixedly mounted at the bottom of the fixing base 8, four first connecting seats 9 are uniformly and symmetrically fixedly installed at the bottom of the fixed seat 8, the supporting plate 11 is sleeved outside the protective sleeve 16, a first movable rod 10 is movably installed inside the first connecting seat 9, the supporting plate 11 is fixedly installed at the bottom of the first movable rod 10, a second connecting seat 12 is fixedly installed at the bottom of the supporting plate 11, a second movable rod 13 is movably installed at the bottom of the second connecting seat 12, a fixed block 14 is fixedly installed at the bottom of the second movable rod 13, a fixed plate 15 is fixedly installed at the bottom of the fixed block 14, the needle tube 17 is firstly in a contraction state by arranging a device capable of fixing the needle tube 17, the protective sleeve 16 moves upwards under the action of the pressure rod 4 due to the fixed connection of the pressure rod 4 and the protective sleeve 16, so as to drive the needle tube 17 to move upwards, at the moment, the whole bone puncture needle is placed at a position needing to be punctured, and the fixed plate 15 is contacted with a patient, then press the pressure lever 4 downwards, the spring 5 contracts under the action of pressure, the pressure lever 4 drives the sliding block 3 to move downwards in the sliding chute 2, and then extrude the fixing plate 15, so that the needle tube 17 is not easy to move, the effect of positioning the bone puncture needle and making the medical staff puncture the needle more easily is achieved, the problems that the puncture point is difficult to determine and the working strength of the medical staff is increased are solved, and the number of the fixing plates 15 is four, and the fixing plates are uniformly and symmetrically distributed, so that the needle tube 17 is fixed better and is not easy to move, the puncture stability is increased, the protecting sleeve 16 is sleeved in the fixing seat 8, the needle tube 17 is sleeved in the protecting sleeve 16, scales are arranged outside the needle tube 17, the protecting sleeve 16 penetrates through the first connecting joint 7 and the connecting pipe 6, the top of the protecting sleeve 16 is fixedly connected with the pressure lever 4, and the pressure lever 4 can control the position of the needle tube 17, then press the depression bar 4 downwards, the spring 5 contracts under the effect of pressure, the depression bar 4 extrudes the protective sheath 16, simultaneously, the spring 5 also gives a pressure to the protective sheath 16, the protective sheath 16 moves downwards under the pressure of the depression bar 4 and the spring 5, so as to drive the needle tube 17 to move downwards, the needle tube 17 performs puncture work, the puncture distance needs to be determined according to the scales outside the needle tube 17, after the puncture is completed, the needle tube 17 is pulled out, the injector is connected, and the marrow fluid is extracted.
When the puncture needle is used, the pressing rod 4 is pulled upwards, the pressing rod 4 drives the sliding block 3 to move upwards, the sliding block 3 slides in the sliding groove 2, the pressing rod 4 is fixedly connected with the protective sleeve 16, the protective sleeve 16 moves upwards under the action of the pressing rod 4, so that the needle tube 17 is driven to move upwards, the whole puncture needle is placed at a position needing to be punctured at this time, the fixing plate 15 is contacted with a patient, the first movable rod 10 and the second movable rod 13 are adjusted according to the required position, the second movable rod 13 is pulled outwards, so that the fixing plate 15 can be pulled outwards, after the position is determined, the outer shell 1 is used for extruding downwards, so that the fixing plate 15 is fixed, the fixing plate 15 is not easy to move, then the pressing rod 4 is pressed downwards, the spring 5 shrinks under the action of pressure, the pressing rod 4 extrudes the protective sleeve 16, meanwhile, the spring 5 also provides pressure for the protective sleeve 16, and the protective sleeve 16 moves downwards under the pressure of the pressing rod 4 and the spring 5, thereby driving the needle tube 17 to move downwards, the needle tube 17 performs puncture work, the puncture distance required is determined according to the scales outside the needle tube 17, after the puncture is completed, the needle tube 17 is pulled out, and the syringe is connected to extract the bone marrow fluid.
Claims (6)
1. The utility model provides a disposable bone puncture needle for hematology department, includes shell body (1), its characterized in that: the bottom fixed mounting of shell body (1) has connecting pipe (6), the bottom fixed mounting of connecting pipe (6) has connector (7), fixing base (8) have been cup jointed to the outside of connector (7), the bottom fixed mounting of fixing base (8) has first connecting seat (9), the inside movable mounting of first connecting seat (9) has first movable rod (10), the bottom fixed mounting of first movable rod (10) has backup pad (11), the bottom fixed mounting of backup pad (11) has second connecting seat (12), the bottom movable mounting of second connecting seat (12) has second movable rod (13), the bottom fixed mounting of second movable rod (13) has fixed block (14), the bottom fixed mounting of fixed block (14) has fixed plate (15).
2. The disposable bone puncture needle for hematology department according to claim 1, characterized in that: spout (2) have all been seted up at the front and the back of shell body (1), the inside movable mounting of spout (2) has slider (3), the inside movable mounting of slider (3) has depression bar (4), the bottom of depression bar (4) and the top fixed connection of connecting pipe (6), spring (5) have been cup jointed to the outside of depression bar (4).
3. The disposable bone puncture needle for hematology department according to claim 2, characterized in that: the spring (5) is located at the bottom of the sliding block (3), the top end of the spring (5) is fixedly connected with the sliding block (3), and the bottom of the spring (5) is fixedly connected with the inner wall of the outer shell (1).
4. The disposable bone puncture needle for hematology department according to claim 1, characterized in that: protective sheath (16) have been cup jointed to the inside of fixing base (8), needle tubing (17) have been cup jointed to the inside of protective sheath (16), the outside of needle tubing (17) is provided with the scale.
5. The disposable bone puncture needle for hematology department according to claim 4, characterized in that: the protective sleeve (16) penetrates through the first connecting head (7) and the connecting pipe (6), and the top of the protective sleeve (16) is fixedly connected with the pressing rod (4).
6. The disposable bone puncture needle for hematology department according to claim 1, characterized in that: the number of the first connecting seats (9) is four, the first connecting seats are uniformly and symmetrically fixedly installed at the bottom of the fixing seat (8), and the supporting plate (11) is sleeved outside the protective sleeve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021356123.6U CN214549540U (en) | 2020-07-10 | 2020-07-10 | Disposable bone puncture needle for blood internal medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021356123.6U CN214549540U (en) | 2020-07-10 | 2020-07-10 | Disposable bone puncture needle for blood internal medicine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214549540U true CN214549540U (en) | 2021-11-02 |
Family
ID=78313209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021356123.6U Expired - Fee Related CN214549540U (en) | 2020-07-10 | 2020-07-10 | Disposable bone puncture needle for blood internal medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214549540U (en) |
-
2020
- 2020-07-10 CN CN202021356123.6U patent/CN214549540U/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: 20211102 |