CN206391288U - Propulsion plant and Medical Devices for Medical Devices - Google Patents
Propulsion plant and Medical Devices for Medical Devices Download PDFInfo
- Publication number
- CN206391288U CN206391288U CN201620998028.3U CN201620998028U CN206391288U CN 206391288 U CN206391288 U CN 206391288U CN 201620998028 U CN201620998028 U CN 201620998028U CN 206391288 U CN206391288 U CN 206391288U
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- CN
- China
- Prior art keywords
- sleeve
- propulsion plant
- rotary head
- medical devices
- output shaft
- 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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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of propulsion plant for Medical Devices, including drive mechanism, the drive mechanism has the output shaft rotated under output power, and the propulsion plant includes：Rotary head, the rotary head includes columnar body, and the outer peripheral face of the columnar body is provided with external screw thread；First sleeve, the inwall of first sleeve is provided with internal thread and is screwedly set in outside the rotary head with the rotary head, at least one end open of first sleeve；Position-limit mechanism, the position-limit mechanism is connected to first sleeve so that obtaining first sleeve can not rotate.Propulsion plant of the present utility model, is configured with the sleeve and rotary head being mutually threadedly coupled, can be by adjusting the displacement accuracy of pitch control sleeve, so that the injection volume or extraction amount of more accurate Medical Devices Chinese medicine liquid.
Description
Technical field
The utility model is related to medical assistive device field, especially one kind can with more precise control injecting liquid drug amount or
The propulsion plant and Medical Devices for Medical Devices of extraction amount.
Background technology
, it is known that by way of continuous subcutaneous infusion insulin, simulating the treatment side of the physiological secretion pattern of insulin
Method, is a kind of very universal therapy of control hyperglycaemia in modern medicine.Above-mentioned therapy is usually required by insulin pump and note
Emitter, the insulin pump puts short-acting or Semilente Insulin medicine storage built with one, and it typically has a display screen and one
A little buttons, the program for setting pump slowly promotes insulin to enter from medicine storage through infusion catheter by programme-control motor
Enter subcutaneously, so that administration controls the blood glucose of patient when realizing long.
However, the propulsion plant of existing insulin pump can not be accurately controlled the injection volume or extraction amount of insulin, make
Used time can cause to receive the discomfort of the patient injected, therefore how improve insulin pump to the injection volume of insulin or extraction amount
It is precisely controlled to for urgent problem to be solved.
Utility model content
In view of the above-mentioned problems in the prior art, technical problem to be solved in the utility model is to provide one kind can
With more precise control injection or the propulsion plant and Medical Devices for Medical Devices such as insulin pumps of extraction amount.
In order to solve the above-mentioned technical problem, the utility model employs following technical scheme：
A kind of propulsion plant for Medical Devices, including drive mechanism, the drive mechanism have under output power
The output shaft of rotation, the propulsion plant includes：
Rotary head, the rotary head includes columnar body, and the outer peripheral face of the columnar body is provided with external screw thread；
First sleeve, the inwall of first sleeve is provided with internal thread and is screwedly set in the rotary head described
Outside rotary head, at least one end open of first sleeve；
Position-limit mechanism, the position-limit mechanism be connected to first sleeve so that first sleeve can not rotate,
Wherein, the output shaft of the drive mechanism is fixed at the axle center of the columnar body of the rotary head,
The columnar body is rotated with the output shaft, the output shaft enters from the one end of the opening of first sleeve
Enter first sleeve.
Preferably, being provided with internal thread on the inwall of predetermined length part in the axial direction of first sleeve.
Preferably, the whole inwall of first sleeve is provided with internal thread.
Preferably, the one end relative with the one end of the opening of first sleeve is provided with the connection of propulsion end
Portion, it is connected to the propulsion end of the Medical Devices.
Preferably, the output shaft that the rotary head is set in the drive mechanism is outer and solid by key and the output shaft
Fixed connection.
Preferably, the drive mechanism is direct current generator.
Preferably, the position-limit mechanism includes second sleeve that is fixed and being set in outside first sleeve, described the
The inwall of two sleeves sets and is matchingly provided with energy on the stopper slot that at least one is axially extended, the outer wall of first sleeve
Enough boss slided in the stopper slot.
Preferably, the stopper slot extends to the two ends of the second sleeve axial direction.
Preferably, the length for the internal thread that the length of the stopper slot is set with first sleeve lining matches.
The utility model further provides for a kind of Medical Devices, including the described propulsion plant for Medical Devices.
Compared with prior art, the beneficial effect of propulsion plant and Medical Devices of the present utility model is：This practicality is new
The propulsion plant of type, is configured with the sleeve and rotary head being mutually threadedly coupled, and displacement that can be by adjusting pitch control sleeve is smart
Degree, so that injection or the extraction amount of the Medical Devices Chinese medicine liquid such as more precise control insulin.
Brief description of the drawings
Fig. 1 is the entirety sectional view of embodiment of the present utility model；
Fig. 2 is the decomposition texture schematic diagram of the propulsion plant of embodiment of the present utility model.
Description of reference numerals：
1- rotary head 11- external screw threads 2- the first sleeve 21- internal threads 22- promotes end connecting portion 23- boss 3- drivings
Mechanism 31- output shaft 32- key 4- cartridge case 5- housing 6- second sleeve 61- stopper slots.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
It is different from other manner described here using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Secondly, the present invention is described in detail with reference to schematic diagram, when the embodiment of the present invention is described in detail, for purposes of illustration only, table
The profile of showing device structure can disobey general ratio and make partial enlargement, and the schematic diagram is example, and it should not herein
Limit the scope of protection of the invention.In addition, the three-dimensional space of length, width and depth should be included in actual fabrication.
Shown in reference picture 1 and Fig. 2, the present embodiment is provided in a kind of propulsion plant for Medical Devices, the present embodiment
Medical Devices are by taking insulin pump as an example, but not limited to this, but can also be other kinds of medical infusion equipment, for example, ease pain
Pump etc..
As shown in the figure, the propulsion plant for insulin pump in the present embodiment includes rotary head 1, the first sleeve 2, driving
Mechanism 3, second sleeve 6, said structure are assembled and are arranged in housing 5.
Drive mechanism 3 can be direct current generator, and it has output shaft 31, and the direct current generator as drive mechanism 3 passes through electricity
Pond or other power supplys, which are powered, makes output shaft 31 be rotated under output power.The direct current generator is fixed on housing 5 as shown in Figure 1
In.
Rotary head 1 includes columnar body, and the outer peripheral face of columnar body is provided with external screw thread 11；As shown in figure 1, the direct current
The output shaft 31 of machine is fixed at the axle center of the columnar body of rotary head 1 so that columnar body can rotate with output shaft 31.
The inwall of first sleeve 2 is provided with internal thread 21 and is screwedly set in outside rotary head 1 with rotary head 1, first set
The one or both ends of cylinder 2 are opened.In the present embodiment, shown in reference picture 1, output shaft 31 is from the left part of the opening of the first sleeve 2
Into the first sleeve 2.
In the utility model one embodiment, rotary head 1 is set in outside the output shaft 31 of drive mechanism 3 and by key 32
It is fixedly connected with output shaft 31.
The position-limit mechanism that second sleeve 6 is rotated as the first sleeve 2 of limitation with rotary head 1 is fixed and is set in the first sleeve
Outside 2.It can connect and fix, can also fix by other means between second sleeve 6 and housing 5, such as be bonded.
In the utility model one embodiment, the inwall of second sleeve 6 is settable what at least one was axially extended
The boss 23 that can be slided in stopper slot 61 is matchingly provided with stopper slot 61, the outer wall of the first sleeve 2.Pass through above-mentioned knot
Structure, when rotary head 1 rotates with direct current generator, the first sleeve 2 being spirally connected with rotary head 1 is limited by the stopper slot 61 of second sleeve 6
Make and can not rotate and axially be moved linearly along itself simultaneously, by such movement, realize the propulsion to the first sleeve 2 with taking out
The function of returning.
In embodiment of the present utility model, the propulsion precision of propulsion plant and the sleeve 2 of external screw thread 11 or first of rotary head 1
Internal thread 21 pitch size it is relevant, thread pitch is smaller, and the precision of command displacement is higher.
In addition, the rotation direction of motor output shaft controls the direction of displacement of sleeve, so as to control pushing away to the first sleeve 2
The operation entered and drawn back.
Shown in reference picture 1, the right part of the first sleeve 2 is provided with propulsion end connecting portion 22, and it is connected to Medical Devices
Decoction promotes end.
In the embodiment that Medical Devices are insulin pump, in the propulsion end connecting portion 22 and insulin pump of the first sleeve 2
Cartridge case 4 in administration piston be connected, in order to drive administration piston to be moved along drug delivery or draw-off direction in the cartridge case 4.
In the utility model one embodiment, set on the inwall of the predetermined length part in the axial direction of the first sleeve 2
There is internal thread 21, preset by the length to the internal thread 21 on the inwall of the first sleeve 2, the first sleeve 2 can be controlled
It is total to promote or extract distance.
In the utility model another embodiment, internal thread 21 is provided with the whole inwall of the first sleeve 2, is easy to
Administration or the smooth progress extracted.
In embodiment of the present utility model, stopper slot 61 can extend to the two ends of the axial direction of second sleeve 6.Stopper slot 61
The length of internal thread 21 that is set with the inwall of the first sleeve 2 of length match, it is more preferable with the mobile carry out to the first sleeve 2
Control.
The utility model embodiment provides a kind of Medical Devices, including the propulsion plant in above-described embodiment simultaneously, and it is tied
Structure is simple, easy to operate, and has the advantages that control propulsion precision is high, and the Medical Devices include but is not limited to insulin pump, example
It such as can also be Medical analgesia pump.
Above example is only the exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively in the essence and protection domain of the present invention to the present invention
Modification or equivalent substitution are planted, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of propulsion plant for Medical Devices, including drive mechanism, the drive mechanism have in output power backspin
The output shaft turned, it is characterised in that the propulsion plant includes：
Rotary head, the rotary head includes columnar body, and the outer peripheral face of the columnar body is provided with external screw thread；
First sleeve, the inwall of first sleeve is provided with internal thread and is screwedly set in the rotation with the rotary head
Head is outer, at least one end open of first sleeve；
Position-limit mechanism, the position-limit mechanism be connected to first sleeve so that first sleeve can not rotate,
Wherein, the output shaft of the drive mechanism is fixed at the axle center of the columnar body of the rotary head so that
The columnar body can rotate with the output shaft, and the output shaft enters institute from the one end of the opening of first sleeve
State the first sleeve.
2. propulsion plant according to claim 1, it is characterised in that the predetermined length portion in the axial direction of first sleeve
Internal thread is provided with the inwall divided.
3. propulsion plant according to claim 1, it is characterised in that in the whole inwall of first sleeve is provided with
Screw thread.
4. propulsion plant according to claim 1, it is characterised in that the one end with the opening of first sleeve
Relative one end is provided with propulsion end connecting portion, and it is connected to the propulsion end of the Medical Devices.
5. propulsion plant according to claim 1, it is characterised in that the rotary head is set in the defeated of the drive mechanism
Shaft is outer and is fixedly connected by key with the output shaft.
6. propulsion plant according to claim 1, it is characterised in that the drive mechanism is direct current generator.
7. propulsion plant according to claim 1, it is characterised in that the position-limit mechanism includes fixed and is set in described
Second sleeve outside first sleeve, the inwall of the second sleeve sets the stopper slot that at least one is axially extended, described
The boss that can be slided in the stopper slot is matchingly provided with the outer wall of one sleeve.
8. propulsion plant according to claim 7, it is characterised in that the stopper slot extends to the second sleeve axial direction
Two ends.
9. propulsion plant according to claim 7, it is characterised in that in the length of the stopper slot and first sleeve
The length for the internal thread that wall is set matches.
10. a kind of Medical Devices, it is characterised in that including as claimed in any one of claims 1-9 wherein for Medical Devices
Propulsion plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620998028.3U CN206391288U (en) | 2016-08-30 | 2016-08-30 | Propulsion plant and Medical Devices for Medical Devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620998028.3U CN206391288U (en) | 2016-08-30 | 2016-08-30 | Propulsion plant and Medical Devices for Medical Devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206391288U true CN206391288U (en) | 2017-08-11 |
Family
ID=59508228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620998028.3U Expired - Fee Related CN206391288U (en) | 2016-08-30 | 2016-08-30 | Propulsion plant and Medical Devices for Medical Devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206391288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806164A (en) * | 2017-12-07 | 2019-05-28 | 迈得医疗工业设备股份有限公司 | Medical instrument rotating mechanism and medical instrument assembling device |
-
2016
- 2016-08-30 CN CN201620998028.3U patent/CN206391288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806164A (en) * | 2017-12-07 | 2019-05-28 | 迈得医疗工业设备股份有限公司 | Medical instrument rotating mechanism and medical instrument assembling device |
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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: 20170811 Termination date: 20180830 |