CN215689920U - Medical quantitative injector applied to treatment of simple hepatic cyst by using lauromacrogol foam - Google Patents
Medical quantitative injector applied to treatment of simple hepatic cyst by using lauromacrogol foam Download PDFInfo
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- CN215689920U CN215689920U CN202122381622.1U CN202122381622U CN215689920U CN 215689920 U CN215689920 U CN 215689920U CN 202122381622 U CN202122381622 U CN 202122381622U CN 215689920 U CN215689920 U CN 215689920U
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Abstract
The utility model discloses a medical quantitative injector applied to treating simple hepatic cyst by using lauromacrogol foam, which comprises an injection tube body, a piston push rod, a quantitative limiting sleeve and a limiting fixing piece, wherein the piston body is matched and connected with the piston push rod, the piston body is slidably arranged in the injection tube body, and the piston push rod pushes the piston body to slide along the inner side wall of the injection tube body; the quantitative limiting sleeve is sleeved on the outer side wall of the injection tube body in a matching mode, the limiting fixing piece is installed on the outer side of the injection tube body, and the quantitative limiting sleeve is fixedly clamped on the outer side wall of the injection tube body by the limiting fixing piece. The utility model can pre-limit and accurately set the quantity and the position of the injector to be sucked or injected, and then the piston push rod can be blocked on the annular retaining ring through the foldable and overturned extension wing, so as to realize accurate sucking and injecting, simultaneously, the operation can be faster, more flexible and more convenient, the normative and the accuracy of the operation are improved, and the operation error caused by human experience is reduced.
Description
Technical Field
The utility model relates to the field of medical instruments and articles, in particular to a medical quantitative injector applied to treating simple hepatic cyst by using lauromacrogol foam.
Background
The poly cinnamic alcohol foam hardening agent is a novel cleaning hardening agent, has a chemical name of polyoxyethylene lauryl alcohol ether, has a local anesthesia effect compared with ethanol, is an alcohol product, simultaneously retains the hardening effect of the ethanol, has the function of a cleaning agent, cleans the capsule wall, has better fusion property, can continuously play the hardening effect, thereby improving the treatment effect, can be used as a preferred treatment scheme of simple hepatic cyst under the condition that the hepatic cyst position allows percutaneous puncture, and has wide adaptation.
In the actual clinical treatment operation process, doctors need to complete puncture and suction of hepatic cysts by means of an injector, the operation principle of the injector suction is to utilize a piston rod in a drawing injector to generate negative pressure in a cavity at the front end of an injector tube so as to suck liquid or gas into the injector tube body, and the operation principle of the injector injection is to push the piston rod of the injector to inject the liquid or gas in the injector tube out. In the process of liver cyst extraction or lauromacrogol foam injection, doctors need to operate the injector skillfully and accurately grasp the force of pushing and injecting or drawing so as to accurately complete the operation of extraction and injection.
Chinese patent: a compound syringe (authorized bulletin No. CN 203634582U) capable of rotating and pressurizing or piston pushing is disclosed, the syringe disclosed by the technical scheme can be used for spirally propelling injection and spirally sucking in a rotating mode, however, the rotating mode needs to enable the whole piston to rotate in the process of injecting or sucking, the friction force between the piston and the wall of an injection tube is large, and when the syringe is spirally moved, the injection amount and the suction amount are controlled by actual operation experience of a doctor, so that the syringe cannot be accurately quantified and limited, and certain operation limitation exists in use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a medical quantitative injector applied to treating simple hepatic cyst by lauromacrogol foam, which mainly aims to overcome the defects in the prior art.
The technical scheme adopted by the utility model is as follows:
the medical quantitative injector applied to treating simple hepatic cyst by using lauromacrogol foam comprises an injection tube body, a piston push rod, a quantitative limit sleeve and a limit fixing piece, wherein the piston body is matched and connected with the piston push rod, the piston body is slidably arranged in the injection tube body, and the piston push rod pushes the piston body to slide along the inner side wall of the injection tube body; the quantitative limiting sleeve is sleeved on the outer side wall of the injection tube body in a matching mode, the limiting fixing piece is installed on the outer side of the injection tube body, and the quantitative limiting sleeve is fixedly clamped on the outer side wall of the injection tube body by the limiting fixing piece.
Furthermore, the upper part of the quantitative limiting sleeve is also provided with an annular retaining ring, and the annular retaining ring is matched with and retained by the tail end of the piston push rod.
Furthermore, the tail end of the piston push rod is provided with a piston push rod head, and two sides of the piston push rod head are respectively provided with a foldable and overturnable extending wing.
Furthermore, the outer diameter of the piston push rod head is smaller than the diameter of the inner ring of the annular retainer ring, and the two extension wings can be matched and arranged on the annular retainer ring in a blocking mode after being overturned and unfolded.
Furthermore, the outer side wall of the injection tube body is also provided with a guide groove ring, and the quantitative limiting sleeve is arranged in the guide groove ring in a matching and sliding manner.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
according to the utility model, the quantitative limiting sleeve and the limiting fixing piece are arranged, so that the quantity to be sucked or injected can be limited and accurately set in advance, then the piston push rod can be blocked on the annular retaining ring through the foldable and overturned extending wing, so that an operator can suck or inject the liquid very accurately, the operation is quicker, more flexible and more convenient, the normative and the accuracy of the operation are improved, the operation error caused by human experience is reduced, and the smooth operation of the operation is ensured.
Drawings
FIG. 1 is a schematic pre-bolus configuration of the present invention.
FIG. 2 is a schematic view of the structure of the present invention after bolus injection.
Fig. 3 is a schematic diagram of the utility model before pumping.
Fig. 4 is a schematic diagram of the configuration of the utility model after aspiration.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, a medical quantitative injector applied to a foam of lauromacrogol for treating simple hepatic cyst comprises an injection tube body 1, a piston body 2, a piston push rod 3, a quantitative limit sleeve 4 and a limit fixing piece 5, wherein the piston body 2 is connected with the piston push rod 3 in a matching manner, the piston body 2 is slidably mounted in the injection tube body 1, and the piston push rod 3 pushes the piston body 2 to slide along the inner side wall of the injection tube body; the quantitative limiting sleeve 4 is sleeved on the outer side wall of the injection tube body 1 in a matching mode, the limiting fixing piece 5 is installed on the outer side of the injection tube body 1, and the quantitative limiting sleeve 4 is fixedly clamped on the outer side wall of the injection tube body 1 through the limiting fixing piece 5.
Furthermore, the upper part of the quantitative limiting sleeve 4 is further provided with an annular retaining ring 41, and the annular retaining ring 41 is matched with and retained by the tail end of the piston push rod 3.
Furthermore, the end of piston rod 3 is provided with a piston rod head 31, and two sides of piston rod head 31 are respectively provided with a foldable and overturnable extending wing 32.
Furthermore, the outer diameter of piston push rod head 31 is smaller than the inner diameter of annular retainer 41, and two extending wings 32 can be engaged with and retained on annular retainer 41 when being turned and unfolded.
Furthermore, the outer side wall of the injection tube body 1 is further provided with a guide groove ring 11, and the quantitative limiting sleeve 4 is arranged in the guide groove ring 11 in a matched sliding manner.
The use process of the utility model is as follows:
syringe aspiration was used:
after the injector is installed in place, the limiting fixing piece is rotated and loosened, then the quantitative limiting sleeve is pulled upwards along the outer side wall of the injection tube body, the position of the volume to be extracted corresponding to the moving position of the quantitative limiting sleeve is determined, the limiting fixing piece is screwed and fixed, the extending wing of the piston push rod head is spread, then the piston push rod is pulled to move outwards, the piston push rod head is enabled to be abutted against the annular retainer ring of the quantitative limiting sleeve, and at the moment, accurate suction operation is completed.
The injector is used for injection:
after the injector is installed in place, the limiting fixing piece is rotated and loosened, then the quantitative limiting sleeve slides and moves along the outer side wall of the injection tube body, the position of the quantitative limiting sleeve corresponding to the volume to be injected is determined, then the limiting fixing piece is screwed and fixed, then the extension wing of the piston push rod head is spread, the piston rod is pushed to move forwards, the piston push rod head is abutted against the annular retainer ring of the quantitative limiting sleeve, and then the accurate injection operation is completed.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
according to the utility model, the quantitative limiting sleeve and the limiting fixing piece are arranged, so that the quantity to be sucked or injected can be limited and accurately set in advance, then the piston push rod can be blocked on the annular retaining ring through the foldable and overturned extending wing, so that an operator can suck or inject the liquid very accurately, the operation is quicker, more flexible and more convenient, the normative and the accuracy of the operation are improved, the operation error caused by human experience is reduced, and the smooth operation of the operation is ensured.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications of the present invention using this concept shall fall within the scope of infringing the present invention.
Claims (5)
1. Be applied to medical quantitative injector of lauromacrogol foam treatment simple hepatic cyst, its characterized in that: the injection device comprises an injection tube body, a piston push rod, a quantitative limiting sleeve and a limiting fixing piece, wherein the piston body is matched and connected with the piston push rod, the piston body is slidably arranged in the injection tube body, and the piston push rod pushes the piston body to slide along the inner side wall of the injection tube body; the quantitative limiting sleeve is sleeved on the outer side wall of the injection tube body in a matching mode, the limiting fixing piece is installed on the outer side of the injection tube body, and the quantitative limiting sleeve is fixedly clamped on the outer side wall of the injection tube body by the limiting fixing piece.
2. The medical quantitative injector applied to the foam of lauromacrogol for treating the simple hepatic cyst according to claim 1, wherein: the upper part of the quantitative limiting sleeve is also provided with an annular retaining ring, and the annular retaining ring is matched with and retained by the tail end of the piston push rod.
3. The medical quantitative injector applied to the foam of lauromacrogol for treating the simple hepatic cyst according to claim 2, wherein: the tail end of the piston push rod is provided with a piston push rod head, and two sides of the piston push rod head are respectively provided with a foldable and turnable extending wing.
4. The medical quantitative injector applied to the lauromacrogol foam for treating the simple hepatic cyst according to claim 3, wherein: the outer diameter of the piston push rod head is smaller than the diameter of the inner ring of the annular retainer ring, and the two extension wings can be matched with the annular retainer ring to be retained when being overturned and unfolded.
5. The medical quantitative injector applied to the foam of lauromacrogol for treating the simple hepatic cyst according to claim 1, wherein: still be equipped with the guide way circle on the lateral wall of injection tube body, the cooperation of ration stop collar is slided and is installed in the guide way circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122381622.1U CN215689920U (en) | 2021-09-30 | 2021-09-30 | Medical quantitative injector applied to treatment of simple hepatic cyst by using lauromacrogol foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122381622.1U CN215689920U (en) | 2021-09-30 | 2021-09-30 | Medical quantitative injector applied to treatment of simple hepatic cyst by using lauromacrogol foam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215689920U true CN215689920U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122381622.1U Active CN215689920U (en) | 2021-09-30 | 2021-09-30 | Medical quantitative injector applied to treatment of simple hepatic cyst by using lauromacrogol foam |
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| Country | Link |
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| CN (1) | CN215689920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117085756A (en) * | 2023-09-28 | 2023-11-21 | 康容生物科技(太仓)有限公司 | Quantitative suction head and tube body of external piston pipettor |
-
2021
- 2021-09-30 CN CN202122381622.1U patent/CN215689920U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117085756A (en) * | 2023-09-28 | 2023-11-21 | 康容生物科技(太仓)有限公司 | Quantitative suction head and tube body of external piston pipettor |
| CN117085756B (en) * | 2023-09-28 | 2024-04-02 | 康容生物科技(太仓)有限公司 | Quantitative suction head and tube body of external piston pipettor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220905 Address after: No.180 Huayuan Road, Fengze District, Quanzhou City, Fujian Province, 362000 Patentee after: The 910 Hospital of PLA joint service support force Address before: 362000 East Building, infection department, 910 hospital, No. 180 Huayuan Road, Fengze District, Quanzhou City, Fujian Province Patentee before: Liu Liguan |