CN213491183U - Injection equipment for internal medicine nursing - Google Patents
Injection equipment for internal medicine nursing Download PDFInfo
- Publication number
- CN213491183U CN213491183U CN202022376149.3U CN202022376149U CN213491183U CN 213491183 U CN213491183 U CN 213491183U CN 202022376149 U CN202022376149 U CN 202022376149U CN 213491183 U CN213491183 U CN 213491183U
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- Prior art keywords
- injection
- connecting part
- cylinder
- injection tube
- rotating shaft
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- 238000002347 injection Methods 0.000 title claims abstract description 130
- 239000007924 injection Substances 0.000 title claims abstract description 130
- 230000000474 nursing effect Effects 0.000 title claims abstract description 18
- 239000003814 drug Substances 0.000 title description 18
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 230000002093 peripheral effect Effects 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 10
- 241000521257 Hydrops Species 0.000 description 3
- 206010030113 Oedema Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
An injection device for medical care comprises an injection tube, a second connecting part, a sealing part, a sliding part, a rotating shaft and a driving device; the end part of the injection tube is provided with a first connecting part; the piston sliding in the injection tube is provided with an installation tube; the mounting cylinder is connected with the inner wall of the injection cylinder through a plurality of groups of telescopic guide assemblies; one end of the rotating shaft is rotatably connected with the inner wall of the injection cylinder and is connected with an output shaft of the driving device; the driving device is connected with the injection cylinder; the other end of the rotating shaft penetrates through the through hole and extends into the mounting cylinder to be connected with the sliding part; the sliding part is in threaded connection with the inner wall of the mounting cylinder; the first connecting part is provided with a first hollow bin; the second connecting part is connected with the peripheral surface of the injection tube, a second hollow bin is arranged on the second connecting part, and a quick connector for tightly sleeving the injection tube on the second connecting part is arranged on the second connecting part; the end face of the sealing part is provided with a blind hole; the sealing part is connected with the first connecting part or the second connecting part in a sealing mode. The utility model is simple in operation convenient to use can satisfy the needs of nursing the injection to the inner shell patient.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an injection apparatus for internal medicine nursing.
Background
The injector is a very common medical apparatus, when the existing injector is used, a needle head of the injector is generally penetrated into a medicament bottle manually, a piston rod is pulled to drive a piston to move, so that the liquid medicament is extracted into the injector by utilizing the air pressure difference, then the needle head is penetrated into a vein of a patient, and then the piston rod is pressed, so that the liquid medicament is injected into the body of the patient; when medical patients are nursed, the injectors are often required to be used for external injection, internal injection or effusion extraction in the bodies of the patients, but the existing injectors can only be used for single injection, and in addition, the existing injectors are all injected in a manual mode, so that the patients are uncomfortable and seriously injured when the injection speed is too high; for this reason, propose an injection apparatus for medical care in this application.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides an injection apparatus is used in internal medicine nursing, the utility model is simple in operation convenient to use can satisfy the needs of nursing the injection to the endochite patient.
(II) technical scheme
In order to solve the problems, the utility model provides an injection device for medical nursing, which comprises an injection tube, a switch, a second connecting part, a sealing part, a sliding part, a rotating shaft, a driving device and a control box;
one end of the injection tube is provided with a shell, and the other end of the injection tube is provided with a first connecting part which is used for being matched and connected with the needle head; a piston is arranged in the injection tube in a sliding way; the end surface of the piston facing the shell is provided with an installation cylinder; a through hole is formed in one end, far away from the piston, of the mounting cylinder, and a plurality of groups of telescopic guide assemblies are arranged on the outer peripheral surface of the mounting cylinder; each group of telescopic guide assemblies is connected with the inner wall of the injection tube;
the rotating shaft is positioned in the injection cylinder, the central axis of the rotating shaft is superposed with the central axis of the injection cylinder, one end of the rotating shaft is rotatably connected with the inner wall of the injection cylinder, one end of the rotating shaft penetrates out of the injection cylinder and extends into the shell, and one end of the rotating shaft is connected with an output shaft of the driving device; the driving device is connected with the injection cylinder; the other end of the rotating shaft penetrates through the through hole and extends into the mounting cylinder, and the other end of the rotating shaft is connected with the sliding piece; the sliding part is in threaded connection with the inner wall of the mounting cylinder;
the first connecting part is provided with a first hollow bin used for communicating the interior of the injection tube along the direction of the central axis thereof;
the second connecting part is connected with the peripheral surface of the injection tube, a second hollow bin used for communicating the interior of the injection tube is arranged along the central axis direction of the second connecting part, and a quick connector used for tightly sleeving the injection tube on the second connecting part is arranged on the second connecting part;
the end face of the sealing part is provided with a blind hole; the sealing part is inserted into the second hollow bin in a matching way to form a first sealing structure under the condition that the first hollow bin is communicated with the interior of the injection tube; the first connecting part is inserted into the blind hole in a matching way to form a second sealing structure under the condition that the second hollow bin is communicated with the interior of the injection tube;
the control box is connected with the peripheral surface of the injection tube, and a power supply module and a microcontroller are arranged in the control box; the power supply module, the microcontroller, the driving device and the switch are electrically connected; the switch is mounted on the outer peripheral surface of the housing.
Preferably, the plurality of groups of telescopic guide assemblies are uniformly distributed in a circumference manner by taking the central axis of the rotating shaft as the center, and each group of telescopic guide assemblies comprises a mounting plate and a telescopic rod;
the mounting plate is connected with the peripheral surface of the mounting cylinder; the inner wall of mounting panel and installation section of thick bamboo is connected respectively at the both ends of telescopic link, and the axis of telescopic link is parallel with the axis of installation section of thick bamboo.
Preferably, the shell is in threaded fit connection with the injection cylinder; the control box is located in the shell.
Preferably, the first connecting part is screwed into the blind hole in a threaded manner under the condition that the sealing part is matched with the first connecting part;
and the sealing part is screwed into the second hollow bin in a threaded manner under the matching state of the sealing part and the second connecting part.
Preferably, the sealing part is made of medical plastic materials.
Preferably, the outer circumferential surface of the injection cylinder is provided with a scale groove along the central axis direction thereof; the inner wall of the scale groove is provided with scale marks along the central axis direction of the injection tube.
Preferably, the quick connector comprises a fastener and a clamping barrel;
the clamping cylinder is sleeved outside the second connecting part, a clamping space for inserting the injection tube is reserved between the inner wall of the clamping cylinder and the outer peripheral surface of the second connecting part, and a plurality of groups of strip-shaped gaps are formed in the outer peripheral surface of the clamping cylinder along the central axis direction of the end surface of the clamping cylinder, which is far away from the injection tube;
the fastening piece is provided with a fastening bin along the central axis direction thereof, and the fastening bin is used for being sleeved outside the clamping cylinder in a threaded manner; the inner diameter of the fastening bin along the central axis direction thereof is gradually reduced; the injection tube extends into the clamping space and is sleeved outside the second connecting part in an interference manner, and the fastener moves towards one side far away from the injection tube to shrink the clamping cylinder; the inner wall of the clamping cylinder compresses the injection tube.
Preferably, the inner wall of the clamping cylinder pressed against the injection tube is uniformly provided with bulges.
The above technical scheme of the utility model has following profitable technological effect:
in the utility model, when the needle head is needed to be used for directly injecting the internal patient, the sealing part is used for connecting the second connecting part so as to seal the second hollow bin, and the needle head is matched and connected with the first connecting part; the needle head is extended into the liquid medicine, and the switch is pressed to start the driving device to operate; the driving device drives the rotating shaft and the sliding part to rotate, and the sliding part is in threaded connection with the mounting barrel to drive the piston to slide towards one side far away from the needle head so as to suck liquid medicine into the injection barrel; during injection, the needle head is inserted into an injection part of a patient, the switch is pressed, and the driving device drives the piston to move towards one side of the needle head so as to stably inject liquid medicine into the patient, so that discomfort of the patient caused by too high injection speed is avoided; in addition, when a medicine needs to be injected into the body of a patient by using an injection tube or effusion in the body of the medical patient needs to be pumped out by using the injector matched with the drainage tube, the first connecting part is connected by using the sealing part so as to seal the first hollow bin; use quick-operation joint with injection tube or drainage tube and second connecting portion sealing connection, and then can to patient internal injection medicine or take out patient's internal hydrops, make the speed of drawing liquid steadily can not arouse the patient uncomfortable through drive arrangement, improve the comfort level of patient's nursing.
Drawings
Fig. 1 is the utility model provides a three-dimensional structure schematic diagram of injection equipment for medical nursing.
Fig. 2 is the utility model provides a local enlarged schematic structure of A department in injection apparatus for medical nursing.
Fig. 3 is the utility model provides a structural schematic diagram of sealing part in injection apparatus for medical nursing.
Fig. 4 is a schematic structural diagram of the injection device for medical nursing according to the present invention.
Fig. 5 is a schematic structural view of a part B of the injection device for medical nursing, which is enlarged.
Reference numerals: 1. an injection tube; 2. a housing; 3. a handle; 4. a switch; 5. a scale groove; 6. scale lines; 7. a first connection portion; 8. a first hollow bin; 9. a second connecting portion; 10. a fastener; 11. a clamping cylinder; 12. a strip-shaped gap; 13. a sealing part; 14. blind holes; 15. a second hollow bin; 16. a piston; 17. mounting the cylinder; 18. a slider; 19. a rotating shaft; 20. mounting a plate; 21. a telescopic rod; 22. a drive device; 23. and a control box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-5, the present invention provides an injection device for medical nursing, which comprises an injection tube 1, a switch 4, a second connecting portion 9, a sealing portion 13, a sliding member 18, a rotating shaft 19, a driving device 22 and a control box 23;
one end of the injection tube 1 is provided with a shell 2, and the other end of the injection tube 1 is provided with a first connecting part 7 which is used for being matched and connected with a needle head; the needle head is not described in detail in the prior art, the needle head is selected and not limited to be connected to the outer side of the first connecting part 7 in a threaded sleeve mode, and the needle head is convenient to replace, so that the influence of the clean needle head on the using part of a patient on the health of the patient is avoided;
a piston 16 is arranged in the injection tube 1 in a sliding way; the end surface of the piston 16 facing the shell 2 is provided with a mounting cylinder 17; a through hole is formed in one end, far away from the piston 16, of the mounting cylinder 17, and multiple groups of telescopic guide assemblies are arranged on the outer peripheral surface of the mounting cylinder 17; each group of telescopic guide assemblies is connected with the inner wall of the injection tube 1, and the telescopic guide assemblies are arranged so that the piston 16 can move in a reciprocating manner along the central axis direction of the injection tube 1 and the movement stability of the piston is improved;
the rotating shaft 19 is positioned in the injection tube 1, the central axis of the rotating shaft is superposed with the central axis of the injection tube 1, one end of the rotating shaft 19 is rotatably connected with the inner wall of the injection tube 1, one end of the rotating shaft 19 penetrates out of the injection tube 1 and extends into the shell 2, and one end of the rotating shaft 19 is connected with an output shaft of the driving device 22; the driving device 22 is connected with the injection cylinder 1; the driving device 22 is a micro stepping motor; the model of the micro stepping motor is RS-550/555, the micro stepping motor belongs to the prior art, and the working principle and the connection mode of the micro stepping motor are not described in detail herein;
the other end of the rotating shaft 19 penetrates through the through hole and extends into the mounting cylinder 17, and the other end of the rotating shaft 19 is connected with the sliding part 18; the sliding part 18 is in threaded connection with the inner wall of the mounting cylinder 17;
the first connecting part 7 is provided with a first hollow bin 8 used for communicating the interior of the injection tube 1 along the central axis direction thereof;
the second connecting part 9 is connected with the peripheral surface of the injection tube 1, a second hollow bin 15 for communicating the interior of the injection tube 1 is arranged along the central axis direction of the second connecting part 9, and a quick connector for tightly sleeving the injection tube on the second connecting part 9 is arranged on the second connecting part 9;
the end face of the sealing part 13 is provided with a blind hole 14; wherein, under the state that the first hollow bin 8 is communicated with the interior of the injection tube 1, the sealing part 13 is inserted into the second hollow bin 15 in a matching way to form a first sealing structure; under the state that the second hollow bin 15 is communicated with the interior of the injection tube 1, the first connecting part 7 is inserted into the blind hole 14 in a matched mode to form a second sealing structure;
the control box 23 is connected with the peripheral surface of the injection tube 1, and a power supply module and a microcontroller are arranged in the control box 23; the power module, the microcontroller, the driving device 22 and the switch 4 are electrically connected; the switch 4 is mounted on the outer peripheral surface of the housing 2;
it should be noted that two sets of limit pieces for limiting the moving range of the sliding piece 18 are arranged in the mounting cylinder 17; the two groups of limiting parts select pressure sensors; two sets of pressure sensors are respectively installed at two ends of the inner wall of the installation cylinder 17, when the sliding part 18 compresses the pressure sensors, the driving device 22 stops operating so as to avoid the sliding part 18 from extruding the installation cylinder 17 to cause equipment damage, and the two sets of pressure sensors are both in communication connection with the microcontroller, which are the prior art and are not described in detail.
In the utility model, when the needle head is needed to be used for directly injecting the internal patient, the sealing part 13 is used for connecting the second connecting part 9 to seal the second hollow bin 15, and the needle head is matched and connected with the first connecting part 7; the needle head is extended into the liquid medicine, and the switch 4 is pressed to start the driving device 22 to operate; the driving device 22 drives the rotating shaft 19 and the sliding part 18 to rotate, and the sliding part 18 is in threaded connection with the mounting barrel 17 to drive the piston 16 to slide towards the side away from the needle head so as to suck liquid medicine into the injection barrel 1; during injection, the needle head is inserted into an injection part of a patient, the switch is pressed, and the driving device 22 drives the piston 16 to move towards one side of the needle head so as to stably inject liquid medicine into the body of the patient, so that discomfort of the patient caused by too high injection speed is avoided; in addition, when a medicine needs to be injected into the body of a patient by using an injection tube or effusion in the body of the medical patient needs to be pumped out by using the injector matched with a drainage tube, the first connecting part 7 is connected by using the sealing part 13 so as to seal the first hollow bin 8; use quick-operation joint with injection tube or drainage tube and 9 sealing connection of second connecting portion, and then can inject the medicine or take out patient's internal hydrops to the patient in vivo, make the speed of drawing liquid steadily can not arouse the patient uncomfortable through drive arrangement 22, improve the comfort level of patient's nursing.
In an alternative embodiment, the plurality of sets of telescopic guide assemblies are uniformly distributed in a circumference manner by taking the central axis of the rotating shaft 19 as the center, and each set of telescopic guide assembly comprises a mounting plate 20 and a telescopic rod 21;
the mounting plate 20 is connected with the outer peripheral surface of the mounting cylinder 17; the inner walls of the mounting plate 20 and the mounting cylinder 17 are respectively connected to two ends of the telescopic rod 21, and the central axis of the telescopic rod 21 is parallel to the central axis of the mounting cylinder 17.
In an alternative embodiment, the shell 2 is connected with the syringe 1 in a threaded fit manner, so that the shell 2 can be conveniently disassembled and assembled; the control box 23 is positioned in the shell 2 to prevent the control box 23 from being opened randomly, and the shell 2 covers the control box 23 to improve the aesthetic property of the device.
In an alternative embodiment, in the state that the sealing part 13 is matched with the first connecting part 7, the first connecting part 7 is screwed into the blind hole 14;
the sealing part 13 is screwed into the second hollow bin 15 under the matching state of the sealing part 13 and the second connecting part 9;
the sealing part 13 is screwed with the first connecting part 7 or the second connecting part 9, and the sealing performance is good.
In an alternative embodiment, the sealing portion 13 is made of a medical plastic material.
In an alternative embodiment, the outer circumferential surface of the syringe 1 is provided with a scale groove 5 along the central axial direction thereof; be equipped with scale mark 6 along the axis direction of injection tube 1 on the inner wall in scale groove 5, can know the content of the interior medicament of injection tube 1 or the capacity of extraction hydrops through the scale mark 6 that is equipped with.
In an alternative embodiment, the quick connector comprises a fastener 10 and a clamping cylinder 11;
the clamping cylinder 11 is sleeved on the outer side of the second connecting part 9, a clamping space for inserting the injection tube is reserved between the inner wall of the clamping cylinder 11 and the outer peripheral surface of the second connecting part 9, and a plurality of groups of strip-shaped gaps 12 are arranged on the outer peripheral surface of the end surface of the clamping cylinder 11, which is far away from the injection tube 1, along the central axis direction of the end surface;
the fastening piece 10 is provided with a fastening bin along the central axis direction thereof, and the fastening bin is sleeved outside the clamping cylinder 11 in a threaded manner; the inner diameter of the fastening bin along the central axis direction thereof is gradually reduced; wherein, under the state that the injection tube extends into the clamping space and is sleeved outside the second connecting part 9 in an interference manner, the fastener 10 moves towards one side far away from the injection tube 1 to be used for contracting the clamping tube 11; the inner wall of the clamping cylinder 11 compresses the injection tube;
when the injection tube or the drainage tube is used, the injection tube or the drainage tube is sleeved at one end, far away from the injection tube 1, of the second connecting part 9, the fastener 10 is rotated towards one side, far away from the injection tube 1, so that the clamping barrel 11 is contracted, and the injection tube or the drainage tube is tightly pressed by the inner wall of the clamping barrel 11; and then the injection tube or the drainage tube is fixedly sleeved at the outer side of the second connecting part 9.
In an alternative embodiment, the inner wall of the clamping barrel 11 pressed against the syringe is uniformly provided with protrusions to improve the stability of the clamping barrel 11 in clamping the syringe or the drainage tube.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. An injection device for medical care, characterized by comprising an injection tube (1), a switch (4), a second connecting part (9), a sealing part (13), a sliding part (18), a rotating shaft (19), a driving device (22) and a control box (23);
one end of the injection tube (1) is provided with a shell (2), and the other end of the injection tube (1) is provided with a first connecting part (7) which is used for being matched and connected with a needle head; a piston (16) is arranged in the injection cylinder (1) in a sliding way; an installation cylinder (17) is arranged on the end surface of the piston (16) facing the shell (2); a through hole is formed in one end, far away from the piston (16), of the mounting cylinder (17), and multiple groups of telescopic guide assemblies are arranged on the outer peripheral surface of the mounting cylinder (17); each group of telescopic guide assemblies is connected with the inner wall of the injection tube (1);
the rotating shaft (19) is positioned in the injection cylinder (1), one end of the rotating shaft (19) is rotatably connected with the inner wall of the injection cylinder (1), one end of the rotating shaft (19) penetrates out of the injection cylinder (1) and extends into the shell (2), and one end of the rotating shaft (19) is connected with an output shaft of the driving device (22); the driving device (22) is connected with the injection cylinder (1); the other end of the rotating shaft (19) penetrates through the through hole and extends into the mounting cylinder (17), and the other end of the rotating shaft (19) is connected with the sliding piece (18); the sliding part (18) is in threaded connection with the inner wall of the mounting cylinder (17);
the first connecting part (7) is provided with a first hollow bin (8) used for communicating the interior of the injection cylinder (1) along the central axis direction thereof;
the second connecting part (9) is connected with the peripheral surface of the injection tube (1), a second hollow bin (15) used for communicating the interior of the injection tube (1) is arranged in the second connecting part (9) along the central axis direction of the second connecting part, and a quick connector used for tightly sleeving the injection tube on the second connecting part (9) is arranged on the second connecting part (9);
the end face of the sealing part (13) is provided with a blind hole (14); wherein, under the state that the first hollow bin (8) is communicated with the interior of the injection tube (1), the sealing part (13) is inserted into the second hollow bin (15) in a matching way to form a first sealing structure; the second hollow bin (15) is matched with the interior of the injection cylinder (1) and inserted into the blind hole (14) to form a second sealing structure under the condition that the interior of the injection cylinder (1) is communicated with the interior of the first connecting part (7);
the control box (23) is connected with the peripheral surface of the injection tube (1), and a power supply module and a microcontroller are arranged in the control box (23); the power supply module, the microcontroller, the driving device (22) and the switch (4) are electrically connected; the switch (4) is mounted on the outer peripheral surface of the housing (2).
2. The injection equipment for medical nursing according to claim 1, wherein the multiple groups of telescopic guiding components are uniformly distributed in a circumference shape by taking the central axis of the rotating shaft (19) as the center, and each group of telescopic guiding components comprises a mounting plate (20) and a telescopic rod (21);
the mounting plate (20) is connected with the outer peripheral surface of the mounting cylinder (17); the inner walls of the mounting plate (20) and the mounting cylinder (17) are respectively connected to the two ends of the telescopic rod (21), and the central axis of the telescopic rod (21) is parallel to the central axis of the mounting cylinder (17).
3. An injection device for medical care according to claim 1, characterised in that the housing (2) is in a screw-fit connection with the syringe (1); the control box (23) is positioned in the shell (2).
4. The injection equipment for medical nursing according to claim 1, wherein the first connecting part (7) is screwed into the blind hole (14) in the state that the sealing part (13) is matched with the first connecting part (7);
the sealing part (13) is screwed into the second hollow bin (15) in the state that the sealing part (13) is matched with the second connecting part (9).
5. An injection apparatus as claimed in claim 4, wherein the sealing portion (13) is made of a medical plastics material.
6. The injection device for medical care according to claim 1, wherein the outer circumferential surface of the syringe (1) is provided with a scale groove (5) along the central axial direction thereof; the inner wall of the scale groove (5) is provided with scale marks (6) along the central axis direction of the injection tube (1).
7. An injection device for medical care according to claim 1, characterised in that the quick coupling comprises a fastener (10) and a clamping cylinder (11);
the clamping cylinder (11) is sleeved on the outer side of the second connecting part (9), a clamping space for inserting the injection tube is reserved between the inner wall of the clamping cylinder (11) and the outer peripheral surface of the second connecting part (9), and a plurality of groups of strip-shaped gaps (12) are arranged on the outer peripheral surface of the end surface of the clamping cylinder (11) far away from the injection tube (1) along the central axis direction of the end surface;
the fastening piece (10) is provided with a fastening bin along the central axis direction thereof, and the fastening bin is used for being sleeved outside the clamping cylinder (11) in a threaded manner; the inner diameter of the fastening bin along the central axis direction thereof is gradually reduced; wherein the fastener (10) moves towards one side far away from the injection tube (1) to contract the clamping tube (11) when the injection tube extends into the clamping space and is sleeved outside the second connecting part (9) in an interference manner; the inner wall of the clamping cylinder (11) presses the injection tube.
8. The injection equipment for medical nursing according to claim 7, wherein the inner wall of the holding cylinder (11) pressed against the injection tube is uniformly provided with protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022376149.3U CN213491183U (en) | 2020-10-21 | 2020-10-21 | Injection equipment for internal medicine nursing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022376149.3U CN213491183U (en) | 2020-10-21 | 2020-10-21 | Injection equipment for internal medicine nursing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213491183U true CN213491183U (en) | 2021-06-22 |
Family
ID=76401618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022376149.3U Expired - Fee Related CN213491183U (en) | 2020-10-21 | 2020-10-21 | Injection equipment for internal medicine nursing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213491183U (en) |
-
2020
- 2020-10-21 CN CN202022376149.3U patent/CN213491183U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |