CN216257322U - Femoral head necrosis intraosseous injection suit - Google Patents
Femoral head necrosis intraosseous injection suit Download PDFInfo
- Publication number
- CN216257322U CN216257322U CN202122167118.1U CN202122167118U CN216257322U CN 216257322 U CN216257322 U CN 216257322U CN 202122167118 U CN202122167118 U CN 202122167118U CN 216257322 U CN216257322 U CN 216257322U
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- Prior art keywords
- needle
- injection
- push rod
- auxiliary push
- femoral head
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- 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
- 238000002347 injection Methods 0.000 title claims abstract description 89
- 239000007924 injection Substances 0.000 title claims abstract description 89
- 230000017074 necrotic cell death Effects 0.000 title claims abstract description 15
- 239000003814 drug Substances 0.000 claims abstract description 45
- 206010028851 Necrosis Diseases 0.000 claims 4
- 206010031264 Osteonecrosis Diseases 0.000 claims 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 8
- 229940079593 drug Drugs 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 210000004623 platelet-rich plasma Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the field of medical instruments, and particularly relates to a femoral head necrosis intraosseous injection kit, which comprises: an injection tube; the needle head is movably connected to the end part of the injection tube; a piston ram that moves inside the syringe to propel the medicament; and the auxiliary push rod is used for pushing out the residual medicine in the needle head. According to the utility model, the needle head is movably connected with the injection tube, and the auxiliary push rod matched with the needle head is arranged, so that the injection tube can be taken down after the medicine in the injection tube is injected, and the auxiliary push rod is used for pushing out all the residual medicine in the needle head, thereby ensuring the use of the medicine and avoiding the waste of the medicine.
Description
Technical Field
The utility model belongs to the field of medical instruments, and particularly relates to a femoral head necrosis intraosseous injection kit.
Background
Femoral head necrosis is a common disabling disease that mainly affects young and middle-aged people. With the progress of modern medicine, the minimally invasive surgery combined with the injection of the repair material has a great promotion effect on the treatment of femoral head necrosis, compared with the traditional surgery, the minimally invasive surgery has low cost and small damage, improves the safety and the practicability of the surgery, and has wider application.
The injection material used clinically at present is gel material or platelet-rich plasma, the syringe needle that needs to use is longer when carrying on intraosseous injection, it is difficult to inject while injecting the gel material, meanwhile when the medicament in the syringe is injected completely, still remain some medicaments in the needle and enter patient's body, cause the waste, and because the gel material is expensive, the wasted material has increased the cost of the operation too; if platelet rich plasma is used for injection, the medicine in the needle can not be injected into the patient, so that more blood of the patient needs to be extracted, and the patient is also burdened.
How to ensure that all medicines can be injected completely when the intraosseous injection is carried out, and not causing waste is a problem to be solved in the prior art.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides an intraosseous injection kit for femoral head necrosis.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a femoral head necrosis intraosseous injection kit comprising:
an injection tube;
the needle head is movably connected to the end part of the injection tube;
a piston ram that moves inside the syringe to propel the medicament;
and the auxiliary push rod is used for pushing out the residual medicine in the needle head.
The further technical scheme is as follows: one end of the injection tube is in threaded connection with the needle head, and baffle plates are arranged on two sides of the other end of the injection tube.
The further technical scheme is as follows: the syringe needle includes connecting seat and syringe needle, the connecting seat is the cylinder of one end confined, and the confined one end is the toper inclined plane of evagination on the connecting seat, the tip at the toper inclined plane is connected to the syringe needle.
The further technical scheme is as follows: and convex parts are arranged on two sides of the connecting seat.
The further technical scheme is as follows: the auxiliary push rod is cylindrical, and the tail end of the auxiliary push rod is provided with a handle.
The further technical scheme is as follows: the length of the auxiliary push rod is matched with that of the injection needle, and the outer diameter of the auxiliary push rod is matched with the inner diameter of the injection needle.
The further technical scheme is as follows: the shape of one end of the handle close to the injection tube is matched with the shape of the conical inclined plane.
The further technical scheme is as follows: the shape of one end of the piston push rod extending into the injection cylinder is matched with the shape of the conical inclined plane.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the femoral head necrosis intrabony injection set comprises an injection tube, a needle head movably connected with the injection tube, a piston push rod and an auxiliary push rod, wherein the needle head is movably connected with the injection tube, the injection tube can be taken down after the medicine in the injection tube is injected, and the auxiliary push rod is used for completely pushing out the residual medicine in the needle head, so that the use of the medicine is ensured, and the medicine waste is avoided.
(2) The injection tube is in threaded connection with the needle head, and the connection is tight, so that the sealing performance is ensured, and the stable extraction and injection of the medicine are ensured; the end of the injection tube is provided with a baffle plate, so that the injector is convenient to hold during injection.
(3) The needle head comprises a connecting seat and an injection needle, one end of the connecting seat is a conical inclined plane, the other end of the conical inclined plane is connected with the injection needle, and the auxiliary push rod can conveniently enter when the auxiliary push rod is used for pushing out residual medicines in the injection needle; the both sides of connecting seat are provided with the convex part, easy to assemble and dismantlement.
(4) The tail end of the auxiliary push rod is provided with a handle, so that the auxiliary push rod is convenient to hold and apply force when in use, and stable injection is ensured; the length and the external diameter of the auxiliary push rod are matched with the length and the internal diameter of the injection needle, so that the medicine in the injection needle can be completely pushed out, and the medicine waste is avoided.
(5) The shape that the piston push rod stretches into injection tube one end and handle are close to injection tube one end all matches with the shape on toper inclined plane, guarantees that the medicine in injection tube and the syringe needle can both be released completely, avoids the medicine extravagant.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more apparent, the following detailed description will be given of preferred embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic view of the syringe barrel according to one embodiment of the present invention.
Fig. 3 is a first schematic structural diagram of a needle according to an embodiment of the present invention.
Fig. 4 is a second structural diagram of a needle according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a piston rod according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an auxiliary push rod according to an embodiment of the present invention.
FIG. 7 is a schematic diagram of the structure of an embodiment of the present invention in use.
The reference numbers in the figures are: 100 is an injection cylinder, 110 is a baffle, 200 is a needle, 210 is a connecting seat, 220 is an injection needle, 211 is a conical inclined plane, 212 is a convex part, 300 is a piston push rod, 400 is an auxiliary push rod, and 410 is a handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, an intraosseous injection kit for femoral head necrosis comprises:
a syringe 100;
a needle 200, wherein the needle 200 is movably connected to the end of the syringe barrel 100;
a plunger rod 300, the plunger rod 300 moving inside the syringe cartridge 100 to advance the medicament;
an auxiliary push rod 400, the auxiliary push rod 400 being used to push out the residual medicine in the needle 200.
The utility model provides a femoral head necrosis intrabony injection set, which comprises an injection tube 100, a needle head 200 movably connected with the injection tube 100, a piston push rod 300 and an auxiliary push rod 400, wherein the needle head 200 is movably connected with the injection tube 100, the needle head 200 can be taken down after the medicine in the injection tube 100 is injected, and the auxiliary push rod 400 is used for completely pushing out the residual medicine in the needle head 200, so that the use of the medicine is ensured, and the medicine waste is avoided.
Preferably, one end of syringe 100 is threadedly coupled to needle 200, and baffles 110 are disposed on both sides of the other end of syringe 100.
In this embodiment, the syringe 100 is a hollow cylinder, which facilitates to push out the medicine inside completely; the injection tube 100 is in threaded connection with the needle 200, and the connection is tight, so that the sealing performance is ensured, and the stable extraction and injection of the medicine are ensured; meanwhile, in the embodiment, the thread on the connecting seat 210 is matched with an orthopedic robot, and the needle 200 can be matched with the robot for injection; the medical staff can also replace the needles 200 with different sizes according to the actual needs to inject; the end of the syringe 100 is provided with a stopper 110 to facilitate holding the syringe during injection.
Preferably, the needle 200 includes a connecting seat 210 and an injection needle 220, the connecting seat 210 is a cylinder with one end closed, the end closed on the connecting seat 210 is a convex conical inclined surface 211, and the injection needle 220 is connected to the end of the conical inclined surface 211.
Further preferably, the connection holder 210 is provided with protrusions 212 at both sides thereof.
In this embodiment, one end of the connecting seat 210 is a tapered inclined surface 211, and the other end of the tapered inclined surface 211 is connected to the injection needle 220, specifically, the injection needle 220 in this embodiment is a hollow cylinder, and the front end of the injection needle is a flat opening, so that the injection needle 220 does not need to be punctured, and the design can also avoid accidental injury during injection; the arrangement of the tapered inclined surface 211 can facilitate the auxiliary push rod 400 to enter the injection needle 220 along the tapered inclined surface 211, thereby improving the operation efficiency; the connecting base 210 has protrusions 212 on both sides thereof, which can be gripped when being connected to and detached from the syringe 100, thereby facilitating the detachment and installation.
Preferably, the auxiliary push rod 400 is cylindrical, and a handle 410 is provided at the end of the auxiliary push rod 400.
It is further preferable that the length of the auxiliary push rod 400 is matched with the length of the injection needle 220, and the outer diameter of the auxiliary push rod 400 is matched with the inner diameter of the injection needle 220.
Further preferably, the shape of the end of the plunger rod 300 protruding into the syringe barrel 100 matches the shape of the tapered slope 211.
In this embodiment, the end of the auxiliary push rod 400 is provided with a handle 410, which facilitates holding and applying force when the auxiliary push rod 400 is used, thereby ensuring stable injection; the length and the outer diameter of the auxiliary push rod 400 are matched with the length and the inner diameter of the injection needle 220, so that the medicine in the injection needle 220 is completely pushed out, and the medicine waste is avoided; the shape of plunger rod 300 extending into syringe barrel 100 and the shape of handle 410 near the end of syringe barrel 100 are matched to the shape of tapered ramp 211 to ensure that the medication in syringe barrel 100 and needle 220 can be completely expelled.
When the utility model is used for intraosseous injection, the injection needle 220 enters the bone of a patient through the working channel, medical staff injects the medicine in the injection tube 100 into the bone of the patient by pushing the piston push rod 300, and in the injection process, the medical staff can apply force by holding the injection tube 100 or buckling the baffle 110, which is beneficial to injecting the gel medicine; the front end of the plunger rod 300 matches the shape of the tapered ramp 211 to ensure that the medicament in the syringe 100 can be completely expelled.
As shown in fig. 7, after the injection of the medicine into the syringe 100 is completed, the medical staff separates the syringe 100 from the needle 200 while keeping the needle 200 stationary, specifically, the medical staff separates the protrusion 212 and the syringe 100 by clipping, and then penetrates the auxiliary push rod 400 through the connection seat 210, the front end of the auxiliary push rod 400 entering is in a long cylinder shape, the end moves along the tapered inclined plane 211 on the connection seat 210 to be inserted into the injection needle 220, and then the medical staff applies force through the handle 410, grips the connection seat 210 through the protrusion 212 during the force application process, prevents the injection needle 220 from moving, and the end of the auxiliary push rod 400 moves in the injection needle 220 to push out the medicine remaining inside, thereby not causing waste.
The auxiliary push rod 400 can be used to push out the remaining drug in the injection needle 220 regardless of the injection of the liquid drug such as the gel drug or the platelet-rich plasma, and the difference is that the injection needle 220 for injecting the gel drug has a larger diameter and the auxiliary push rod 400 matching the larger diameter.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (8)
1. A femoral head necrosis intraosseous injection kit, comprising:
an injection cartridge (100);
the needle head (200), the said needle head (200) is connected to the end of the syringe (100) movably;
a plunger rod (300), the plunger rod (300) moving inside the syringe barrel (100) to advance the medicament;
an auxiliary push rod (400), the auxiliary push rod (400) being used to push out the residual medicine in the needle (200).
2. The femoral head necrosis intraosseous injection kit according to claim 1, wherein one end of the syringe (100) is in threaded connection with the needle (200), and baffles (110) are arranged on two sides of the other end of the syringe (100).
3. The femoral head necrosis intraosseous injection kit according to claim 1, wherein the needle (200) comprises a connecting seat (210) and an injection needle (220), the connecting seat (210) is cylindrical with one closed end, the connecting seat (210) is provided with a conical inclined surface (211) with a convex end, and the injection needle (220) is connected to the end of the conical inclined surface (211).
4. The osteonecrosis of femoral head according to claim 3, wherein the coupling seat (210) is provided with protrusions (212) at both sides thereof.
5. The osteonecrosis of femoral head of claim 3, wherein the auxiliary push rod (400) is cylindrical, and a handle (410) is provided at the end of the auxiliary push rod (400).
6. The femoral head necrosis intraosseous injection kit according to claim 3, wherein the length of the auxiliary push rod (400) is matched with the length of the injection needle (220), and the outer diameter of the auxiliary push rod (400) is matched with the inner diameter of the injection needle (220).
7. The osteonecrosis of femoral head according to claim 3, wherein the shape of the end of the plunger rod (300) extending into the syringe barrel (100) matches the shape of the tapered ramp (211).
8. The osteonecrosis of femoral head according to claim 5, wherein the shape of the end of the handle (410) near the syringe (100) matches the shape of the tapered ramp (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167118.1U CN216257322U (en) | 2021-09-08 | 2021-09-08 | Femoral head necrosis intraosseous injection suit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122167118.1U CN216257322U (en) | 2021-09-08 | 2021-09-08 | Femoral head necrosis intraosseous injection suit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216257322U true CN216257322U (en) | 2022-04-12 |
Family
ID=81063548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122167118.1U Expired - Fee Related CN216257322U (en) | 2021-09-08 | 2021-09-08 | Femoral head necrosis intraosseous injection suit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216257322U (en) |
-
2021
- 2021-09-08 CN CN202122167118.1U patent/CN216257322U/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: 20220412 |