CN210990605U - Knee joint puncture catheter needle - Google Patents
Knee joint puncture catheter needle Download PDFInfo
- Publication number
- CN210990605U CN210990605U CN201921021586.4U CN201921021586U CN210990605U CN 210990605 U CN210990605 U CN 210990605U CN 201921021586 U CN201921021586 U CN 201921021586U CN 210990605 U CN210990605 U CN 210990605U
- Authority
- CN
- China
- Prior art keywords
- catheter
- seat
- knee
- puncture
- fixedly connected
- 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
Links
- 210000000629 knee joint Anatomy 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 238000003780 insertion Methods 0.000 claims description 33
- 230000037431 insertion Effects 0.000 claims description 33
- 229920001971 elastomer Polymers 0.000 claims description 12
- 239000005060 rubber Substances 0.000 claims description 12
- 229920000669 heparin Polymers 0.000 claims description 10
- 229960002897 heparin Drugs 0.000 claims description 9
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 14
- 239000003814 drug Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 210000003127 knee Anatomy 0.000 description 4
- 210000001519 tissue Anatomy 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000010100 anticoagulation Effects 0.000 description 1
- 210000003722 extracellular fluid Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- ZFGMDIBRIDKWMY-PASTXAENSA-N heparin Chemical compound CC(O)=N[C@@H]1[C@@H](O)[C@H](O)[C@@H](COS(O)(=O)=O)O[C@@H]1O[C@@H]1[C@@H](C(O)=O)O[C@@H](O[C@H]2[C@@H]([C@@H](OS(O)(=O)=O)[C@@H](O[C@@H]3[C@@H](OC(O)[C@H](OS(O)(=O)=O)[C@H]3O)C(O)=O)O[C@@H]2O)CS(O)(=O)=O)[C@H](O)[C@H]1O ZFGMDIBRIDKWMY-PASTXAENSA-N 0.000 description 1
- 229960001008 heparin sodium Drugs 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000008155 medical solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a knee joint puncture catheter needle, which comprises a catheter seat, a sealing plug, a needle core, a puncture seat, a catheter, a branch pipe and a protective component, wherein the sealing plug is fixedly connected with the catheter seat, the needle core is provided with a moving part and an inserting part, the moving part and the inserting part are integrally formed, the moving part penetrates through the sealing plug and extends out of the catheter seat, the inserting part extends out of the catheter seat, the puncture seat is fixedly connected with the moving part and is positioned outside the catheter seat, a protective cover is clamped with the catheter seat and is positioned at one side of the catheter seat far away from the inserting part, the protective cover is provided with two sliding grooves, the two sliding grooves are positioned in the circumferential direction of the protective cover and are oppositely arranged, a movable handle is fixedly connected with the puncture seat and is slidably connected with the protective cover and extends out of the protective cover through the two sliding grooves for covering the needle core when the needle core is drawn out, thereby preventing medical personnel from accidental touch, is harmful to health.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a knee joint puncture puts a tub needle.
Background
Knee puncture is used for checking the nature of effusion in knee joint cavity, or injecting medicine into knee joint cavity after extracting liquid. The puncture tube placing needle is characterized in that a catheter and a needle core are punctured into a joint cavity together, after the catheter completely enters the joint cavity, the needle core is withdrawn, and only the soft catheter is placed in the joint cavity for drawing liquid or injecting medicine.
The existing puncture tube needle has no protective tool when the needle core is drawn out, which is easy to cause the infection and harm to health caused by accidental touch of medical care personnel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a knee joint puncture puts a tub needle aims at solving current puncture and puts a tub needle and does not have the nook closing member and take protective tool out, causes the unexpected touching infection of medical personnel easily, endangers healthy problem.
In order to achieve the above object, the present invention provides a knee joint puncture needle, which comprises a catheter seat, a sealing plug, a needle core, a puncture seat, a catheter, a branch tube and a protection component, wherein the sealing plug is fixedly connected with the catheter seat and is located in the catheter seat, the needle core has a moving part and an inserting part, the moving part and the inserting part are integrally formed and communicated, the moving part penetrates through the sealing plug and extends out of the catheter seat, the inserting part extends out of the catheter seat and is located at one side away from the sealing plug, the puncture seat is fixedly connected with the moving part and is located out of the catheter seat, the catheter is sleeved with the inserting part, and the branch tube is connected with the catheter seat and is located between the sealing plug and the moving part;
the protection component comprises a protection sleeve and a movable handle, the protection sleeve is connected with the catheter seat in a clamped mode and located on one side of the insertion portion, the protection sleeve is provided with two sliding grooves, the two sliding grooves are located in the circumferential direction of the protection sleeve and are arranged oppositely, the movable handle is fixedly connected with the puncture seat and is connected with the protection sleeve in a sliding mode, and the two sliding grooves extend to the outside of the protection sleeve in a penetrating mode.
The protection assembly further comprises two elastic corrugated rubbers, one end of each elastic corrugated rubber is fixedly connected with the protection sleeve, and the other end of each elastic corrugated rubber is fixedly connected with the movable handle and is respectively located in the two sliding grooves.
The protection assembly further comprises two fixing blocks, the two fixing blocks are fixedly connected with the protection sleeve, are located in the circumferential direction of the protection sleeve and are respectively located in the extending direction of the two sliding grooves.
The fixing block is provided with an insertion groove, and the insertion groove is positioned on one side, facing the catheter seat, of the fixing block.
The movable handle is provided with a protrusion, and the protrusion is positioned on one side of the movable handle facing the fixed block and matched with the insertion groove.
Wherein the insertion part is provided with a side hole which is positioned at one side of the insertion part far away from the moving part.
The knee joint puncture catheterization needle further comprises a pipe sleeve, and the pipe sleeve is sleeved on the insertion part.
The knee joint puncture catheterization needle further comprises a first drainage tube and a second drainage tube, the first drainage tube is fixedly connected with the branch tube, and the second drainage tube is connected with the first drainage tube.
The knee joint puncture catheterization needle further comprises a regulator, and the regulator is located on the first drainage tube.
The knee-joint puncture catheterization needle further comprises two heparin caps, and the two heparin caps are respectively connected with the first drainage tube and the second drainage tube.
The utility model discloses a knee joint puncture catheter needle, through the sealing plug with pipe seat fixed connection, and be located in the pipe seat, the nook closing member has removal portion and an insertion portion, removal portion runs through the sealing plug, and extends to outside the pipe seat, the insertion portion extends to outside the pipe seat, and is located the one side of keeping away from the sealing plug, puncture seat with removal portion fixed connection, and is located outside the pipe seat, the lag with pipe seat joint, and is located the pipe seat one side of keeping away from the insertion portion, two the spout is located in the lag circumferencial direction, and sets up relatively, remove the handle with puncture seat fixed connection, and with lag sliding connection, and run through two the spout extends to outside the lag, for slide remove the handle, take out the nook closing member covers the nook closing member, prevent accidental touch of medical personnel and harm health.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the knee joint puncture catheterization needle of the present invention;
FIG. 2 is a schematic view of the catheter hub, hub and shield assembly of the present invention;
FIG. 3 is a partial enlarged view A of FIG. 2;
in the figure: 100-knee joint puncture catheter placing needle, 1-catheter seat, 2-sealing plug, 3-needle core, 4-catheter, 5-branch pipe, 6-protection component, 7-catheter sleeve, 8-first drainage tube, 9-second drainage tube, 10-regulator, 11-heparin cap, 12-puncture seat, 31-moving part, 32-inserting part, 61-protecting sleeve, 62-moving handle, 63-elastic corrugated rubber, 64-fixing block, 321-side hole, 611-sliding groove, 621-bulge and 641-inserting groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 3, the present invention provides a knee joint puncture needle 100, the knee joint puncture needle 100 includes a catheter holder 1, a sealing plug 2, a needle core 3, a puncture holder 12, a catheter 4, a branch tube 5 and a protection component 6, the sealing plug 2 is fixedly connected to the catheter holder 1 and is located in the catheter holder 1, the needle core 3 has a moving portion 31 and an inserting portion 32, the moving portion 31 is integrally formed with and communicates with the inserting portion 32, the moving portion 31 penetrates through the sealing plug 2 and extends out of the catheter holder 1, the inserting portion 32 extends out of the catheter holder 1 and is located at a side away from the sealing plug 2, the puncture holder 12 is fixedly connected to the moving portion 31 and is located out of the catheter holder 1, the catheter 4 is sleeved with the inserting portion 32, the branch tube 5 is connected to the catheter holder 1, and is located between the sealing plug 2 and the moving part 31;
the protection assembly 6 includes a protection sleeve 61 and a movable handle 62, the protection sleeve 61 is clamped with the catheter base 1 and is located on one side of the catheter base 1 away from the insertion portion 32, the protection sleeve 61 has two sliding grooves 611, the two sliding grooves 611 are located in the circumferential direction of the protection sleeve 61 and are oppositely arranged, and the movable handle 62 is fixedly connected with the puncture base 12, is slidably connected with the protection sleeve 61, and extends to the outside of the protection sleeve 61 through the two sliding grooves 611.
In this embodiment, the catheter 4 is externally sleeved with a protective sleeve, the knee-joint puncture needle 100 is not used, and the protective sleeve prevents medical personnel from touching the needle core 3 to cause pollution, and causes secondary pollution when puncturing a patient. The sealing plug 2 is fixedly connected with the catheter holder 1 and is positioned in the catheter holder 1, and the sealing plug 2 prevents the medicine input into the catheter holder 1 from flowing out from the branch pipe 5. The stylet 3 has a moving part 31 and an inserting part 32, the moving part 31 and the inserting part 32 are integrally formed and communicated, the moving part 31 runs through the sealing plug 2 and extends to the outside of the catheter holder 1, the inserting part 32 extends to the outside of the catheter holder 1 and is positioned at one side far away from the sealing plug 2, the knee joint puncture catheterization needle 100 further comprises a handle, and the handle is fixedly connected with the catheter holder 1 and positioned on the circumferential direction of the catheter holder 1. Medical personnel take off the protective sheath, it is right nook closing member 3 carries out disinfection treatment, will insertion portion 32 inserts patient knee joint intracavity, the handle is favorable to medical personnel atress to promote catheter holder 1, thereby drives insertion portion 32 with catheter 4 gos deep into patient knee joint intracavity. After the puncture targets in place, promote removal handle 62 is in the spout 611 inwards keep away from one side of sealing plug 2 removes, thereby drives insertion portion 32 takes out from patient's knee joint inner chamber, until the nook closing member 3 all slides to in the lag 61, protection component 6 still includes the protective cover, the protective cover with lag 61 joint, just the length of lag 61 is greater than the length of nook closing member 3, avoids insertion portion 32 exposes outside lag 61, causes medical personnel's unexpected touching, endangers health. At this time, the catheter 4 is left in the inner cavity of the knee joint of the patient, and the catheter 4 is a hose and does not influence the movement of the patient.
The knee-joint puncture catheterization needle 100 of the utility model is fixedly connected with the catheter seat 1 through the sealing plug 2 and is located in the catheter seat 1, the stylet 3 is provided with a moving part 31 and an inserting part 32, the moving part 31 penetrates through the sealing plug 2 and extends out of the catheter seat 1, the inserting part 32 extends out of the catheter seat 1 and is located at one side far away from the sealing plug 2, the puncture seat 12 is fixedly connected with the moving part 31 and is located out of the catheter seat 1, the protecting cover 61 is clamped with the catheter seat 1 and is located at one side of the catheter seat 1 far away from the inserting part 32, two sliding grooves 611 are located in the circumferential direction of the protecting cover 61 and are arranged oppositely, the moving handle 62 is fixedly connected with the puncture seat 12 and is connected with the protecting cover 61 in a sliding manner and penetrates through two sliding grooves 611 and extends out of the protecting cover 61, the needle core 3 is pulled out to cover the needle core 3 by sliding the movable handle 62, so that the medical staff is prevented from accidentally touching and harming health.
Further, the protection assembly 6 further includes two elastic corrugated rubbers 63, where one end of each elastic corrugated rubber 63 is fixedly connected to the protection sleeve 61, and the other end of each elastic corrugated rubber 63 is fixedly connected to the movable handle 62 and is respectively located in the two sliding grooves 611. In this embodiment, the elastic corrugated rubber 63 has high elasticity and can move in a telescopic manner, so that the medical staff moves the movable handle 62 to drive the stylet 3 to be drawn out of the inner cavity of the knee joint of the patient and move into the protective sleeve 61, and the elastic corrugated rubber 63 is used for sealing the two sliding grooves 611, so as to prevent the tissue fluid brought out of the tissue of the patient by the insertion portion 32 from flowing out of the two sliding grooves 611, which causes pollution and harms the health of the human body.
Further, the protection assembly 6 further includes two fixing blocks 64, where the number of the fixing blocks 64 is two, and the two fixing blocks 64 are fixedly connected to the protection sleeve 61, located in the circumferential direction of the protection sleeve 61, and located in the extending direction of the two sliding grooves 611, respectively. The fixing block 64 has an insertion groove 641, and the insertion groove 641 is located on a side of the fixing block 64 facing the catheter hub 1. The moving handle 62 has a protrusion 621, and the protrusion 621 is located on a side of the moving handle 62 facing the fixing block 64 and is adapted to the insertion groove 641. In this embodiment, the medical staff moves the movable handle 62 to drive the stylet 3 to be drawn out of the inner cavity of the knee joint of the patient and move into the shield 61, so as to drive the protrusion 621 to move towards the insertion groove 641 and to be engaged with the insertion groove 641, so as to fix the stylet 3 in the shield 61 and prevent the stylet 3 from falling off.
Further, the insertion portion 32 has a side hole 321, and the side hole 321 is located on a side of the insertion portion 32 away from the moving portion 31. The knee joint puncture needle 100 further comprises a sleeve 7, and the sleeve 7 is sleeved on the insertion part 32. In this embodiment, medical personnel promote catheter hub 1, will insertion portion 32 inserts patient's knee joint inner chamber, insertion portion 32 has the sharp syringe needle of inclined plane, is favorable to inserting patient's tissue, side opening 321 is located and is close to syringe needle one side, the syringe needle pierces patient's tissue, and interstitial fluid is followed rapidly side opening 321 flows in pipe box 7, medical personnel's accessible the puncture condition is observed to pipe box 7, reduces patient's misery.
Further, the knee puncture catheterization needle 100 further comprises a first drainage tube 8 and a second drainage tube 9, the first drainage tube 8 is fixedly connected with the branch tube 5, and the second drainage tube 9 is connected with the first drainage tube 8. In this embodiment, the first drainage tube 8 is used for infusing a medical solution into the catheter holder 1, and then flows into the catheter 4 to enter the knee joint cavity of the patient for treatment. The second drainage tube 9 is used for adding liquid medicine to the patient in different time periods.
Further, the knee puncture needle 100 further comprises an adjuster 10, and the adjuster 10 is located on the first drainage tube 8. In the present embodiment, the regulator 10 is used to regulate the liquid medicine input speed according to the physical condition of the patient, and is safe and stable.
Further, the knee puncture catheterization needle 100 further comprises two heparin caps 11, and the two heparin caps 11 are respectively connected with the first drainage tube 8 and the second drainage tube 9. In this embodiment, the heparin cap 11 can be punctured for infusion and injection repeatedly for many times, and heparin sodium is injected into the heparin cap 11 to prevent liquid backflow and anticoagulation.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A knee joint puncture catheterization needle, which is characterized in that,
the puncture seat is fixedly connected with the moving part and is positioned outside the catheter seat, the inserting part extends out of the catheter seat and is positioned at one side far away from the sealing plug, the puncture seat is fixedly connected with the moving part and is positioned outside the catheter seat, the catheter is sleeved with the inserting part, and the branch pipe is connected with the catheter seat and is positioned between the sealing plug and the moving part;
the protection component comprises a protection sleeve and a movable handle, the protection sleeve is connected with the catheter seat in a clamped mode and located on one side of the insertion portion, the protection sleeve is provided with two sliding grooves, the two sliding grooves are located in the circumferential direction of the protection sleeve and are arranged oppositely, the movable handle is fixedly connected with the puncture seat and is connected with the protection sleeve in a sliding mode, and the two sliding grooves extend to the outside of the protection sleeve in a penetrating mode.
2. The knee-joint puncture trocar according to claim 1,
the protection assembly further comprises two elastic corrugated rubbers, one end of each elastic corrugated rubber is fixedly connected with the protection sleeve, and the other end of each elastic corrugated rubber is fixedly connected with the movable handle and is respectively positioned in the two sliding grooves.
3. The knee-joint puncture trocar according to claim 1,
the protection assembly further comprises two fixing blocks, the number of the fixing blocks is two, the two fixing blocks are fixedly connected with the protection sleeve and are located in the circumferential direction of the protection sleeve and located in the extending direction of the two sliding grooves respectively.
4. The knee-joint puncture trocar according to claim 3,
the fixing block is provided with an insertion groove, and the insertion groove is positioned on one side, facing the catheter seat, of the fixing block.
5. The knee-joint puncture trocar according to claim 4,
the movable handle is provided with a protrusion, and the protrusion is positioned on one side of the movable handle facing the fixed block and matched with the insertion groove.
6. The knee-joint puncture trocar according to claim 1,
the insertion part is provided with a side hole which is positioned on one side of the insertion part far away from the moving part.
7. The knee-joint puncture trocar according to claim 1,
the knee joint puncture catheterization needle further comprises a pipe sleeve, and the pipe sleeve is sleeved on the insertion part.
8. The knee-joint puncture trocar according to claim 1,
the knee joint puncture catheter needle further comprises a first drainage tube and a second drainage tube, the first drainage tube is fixedly connected with the branch tube, and the second drainage tube is connected with the first drainage tube.
9. The knee-joint puncture trocar according to claim 8,
the knee joint puncture catheterization needle further comprises a regulator, and the regulator is located on the first drainage tube.
10. The knee-joint puncture trocar according to claim 8,
the knee joint puncture catheter needle further comprises two heparin caps, and the two heparin caps are respectively connected with the first drainage tube and the second drainage tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921021586.4U CN210990605U (en) | 2019-07-01 | 2019-07-01 | Knee joint puncture catheter needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921021586.4U CN210990605U (en) | 2019-07-01 | 2019-07-01 | Knee joint puncture catheter needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210990605U true CN210990605U (en) | 2020-07-14 |
Family
ID=71500877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921021586.4U Expired - Fee Related CN210990605U (en) | 2019-07-01 | 2019-07-01 | Knee joint puncture catheter needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210990605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113974899A (en) * | 2021-11-19 | 2022-01-28 | 中南大学湘雅医院 | Protective device for animal joint cavity injection |
-
2019
- 2019-07-01 CN CN201921021586.4U patent/CN210990605U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113974899A (en) * | 2021-11-19 | 2022-01-28 | 中南大学湘雅医院 | Protective device for animal joint cavity injection |
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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 |
Granted publication date: 20200714 Termination date: 20210701 |
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| CF01 | Termination of patent right due to non-payment of annual fee |