CN110946633A - Portable quick extrusion device - Google Patents
Portable quick extrusion device Download PDFInfo
- Publication number
- CN110946633A CN110946633A CN201911169942.1A CN201911169942A CN110946633A CN 110946633 A CN110946633 A CN 110946633A CN 201911169942 A CN201911169942 A CN 201911169942A CN 110946633 A CN110946633 A CN 110946633A
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- Prior art keywords
- push rod
- handle
- extrusion device
- barrel
- chuck
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12181—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device formed by fluidized, gelatinous or cellular remodelable materials, e.g. embolic liquids, foams or extracellular matrices
- A61B17/12186—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device formed by fluidized, gelatinous or cellular remodelable materials, e.g. embolic liquids, foams or extracellular matrices liquid materials adapted to be injected
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a portable rapid extrusion device, which comprises: the extrusion device comprises a barrel, a discharge port fixedly arranged at the front end of the barrel, a moving block movably arranged in the barrel, a push rod arranged in the moving block, a chuck fixedly arranged at the rear end of the barrel, a power spring arranged in the chuck, a locking nut and a handle arranged at the upper end of the push rod, and different materials can be extruded by replacing the discharge port. The extrusion device has the advantages of simple structure, small volume, low manufacturing cost and light weight, can be operated by one hand, can quickly push out solid or liquid, and can be made into wounds with different lengths and diameters and inserted into wounds with different diameters.
Description
Technical Field
The invention relates to a mechanical device, in particular to a portable rapid extrusion device.
Background
In recent years, the application of the hemostatic material in research of emergency hemostatic products, including civil and military first aid, is both home and abroad. If the bleeding caused by trauma is not stopped and bandaged in time, the health and even life of people can be seriously threatened. The current commonly used first-aid hemostasis methods are tourniquet hemostasis and packing hemostasis, and the hemostasis materials for hemostasis have different shapes, such as powder, ball, sponge, gauze and the like, and they stop bleeding through physical or chemical approaches. The hemostatic material is applied to surface tissue wounds, hemostasis can be rapidly achieved, the hemostatic material is a common simple hemostatic method, but for small-caliber wounds such as gunshot wounds and stabbing wounds, the hemostatic material is difficult to play a role, because the blood flow is large, the position of a bleeding opening is difficult to find, the hemostatic material is difficult to reach a bleeding point, the hemostatic material needs to be placed at the bleeding part by means of tools such as tweezers, and the like, so that the pain of a patient is increased, the operation is inconvenient, hemostasis cannot be achieved, especially for gunshot wounds on a battlefield, immediate treatment is needed, and if the treatment is not timely, the life safety of soldiers is seriously threatened.
In the process of emergency application, the prior hemostatic products have a plurality of problems in the using process, such as incomplete hemostasis, inconvenient operation, incapability of using by one hand, difficulty in controlling and observing pressure and the like. Therefore, an extrusion device which has a good effect, is small in damage, can be used for rapidly filling and sealing wounds to stop bleeding, is convenient to operate and is applied to the wounds with cavities and ducts and can rapidly push hemostatic materials is urgently needed.
Disclosure of Invention
The invention aims to provide a portable rapid extrusion device which is simple in structure, can be operated by one hand and is convenient to operate, can be applied to deeper wounds, can rapidly deliver hemostatic materials to bleeding parts, and can also be used for injecting liquid.
A portable rapid extrusion device comprising: the automatic feeding device comprises a barrel, a discharge port fixedly arranged at the front end of the barrel, a moving block movably arranged in the barrel, a push rod arranged in the moving block, a chuck fixedly arranged at the rear end of the barrel, a power spring arranged in the chuck, a locking nut arranged at the upper end of the push rod and a handle.
Furthermore, the upper end of the push rod is provided with an external thread, the lower end of the handle is provided with a corresponding internal thread, and the push rod is connected with the handle in a threaded mode.
Furthermore, after the handle is arranged on the push rod, the locking nut moves towards the handle in a thread rotation mode to clamp the handle, and the handle is prevented from being separated from the push rod.
Further, the handle in the middle of be provided with circular recess, power spring's upper end is fixed in circular recess, prevents power spring with the handle separation.
Furthermore, the upper end of the chuck is provided with a convex hollow cylinder, the interior of the chuck is provided with the power spring which is compressed at the initial moment, and the lower end of the power spring is fixedly arranged at the upper end of the chuck.
Further, the rear end of the barrel is provided with a clamp support extending outwards in the radial direction of the barrel, and the chuck and the clamp support are connected in a rotary clamping groove mode, so that the assembly and the disassembly are convenient.
Furthermore, the middle of the chuck is provided with an internal thread which is connected with the upper end of the push rod in a threaded mode, and at the initial moment, the chuck is matched with the push rod in a threaded mode.
Further, after the handle rotates clockwise, the push rod is driven to rotate in the same direction, so that the push rod is separated from the chuck.
Furthermore, a groove is formed in the outer side of the moving block, and a rubber ring can be placed in the groove, so that the moving block can move in the barrel conveniently.
Further, the discharge gate can be dismantled the separation with the barrel, if adopt threaded connection, change the discharge gate of different grade type as required, for example discharge cover, ejection of compact syringe needle etc..
Further, the discharging cover is made of elastic material, such as rubber, and can be divided into three parts or four parts, when the material moves towards the discharging port, the discharging cover can be opened under the action of pressure, and the material is conveyed out of the barrel body.
Furthermore, the discharge needle is a conventional and universal needle, can be changed into different sizes as required, is used for automatically sucking liquid and then quickly extruding the liquid.
Furthermore, a convex cone structure is arranged at the lower end of the push rod, a groove structure matched with the push rod is arranged in the middle of the moving block, and after the lower end of the push rod moves towards the moving block and enters the groove structure, the push rod and the moving block are fixed together through the groove structure.
Furthermore, the cone structures can be distributed in a single, two or three different ways along the axial direction, and grooves with corresponding quantity are also arranged in the moving block matched with the cone structures.
Furthermore, the lower end of the push rod can also be provided with a groove structure, and a cone structure matched with the push rod is arranged in the moving block.
The portable rapid extrusion device is 50-70 g in weight, can be used for installing hemostatic materials with different dosages and shapes, such as cylinders, spheres, wafers or fibers, and can be used for various cavity wounds, particularly joint combination parts which cannot be bound by a tourniquet for hemostasis, such as armpits, groin and the like, and thoracic cavities, abdominal cavities and internal organs. After the discharge hole can be replaced, the syringe can be used, and the effects of automatically sucking the solution and quickly injecting the solution are achieved.
If the device is used for extruding the hemostatic material, the hemostatic material is loaded in the barrel at the initial moment, the lower end of the push rod is positioned at the bottommost part of the barrel, the moving block is positioned at the topmost part of the barrel, the push rod is in threaded connection with the chuck, the power spring is compressed between the chuck and the handle, and the whole device is aseptically packaged.
If the device is used for injecting liquid, the device without the hemostatic material inside can be directly replaced by the discharge hole for use.
Compared with the prior art, the invention has the following advantages:
the extrusion device has the advantages of simple structure, small volume, light weight, low manufacturing cost and convenient operation.
Secondly, the device of the invention has compact structure and convenient carrying due to the foldable design.
And thirdly, the device can be operated by one hand, and is more convenient to use.
The discharge port of the device can be replaced, so that hemostatic materials with different shapes and different dosages can be loaded, and the device can also be used for injecting liquid.
The device can be made into different lengths and different diameters, and can be inserted into wounds with different diameters to quickly push the hemostatic material into a deeper bleeding position, thereby creating favorable conditions for saving the life of a patient.
The device can rapidly feed the hemostatic material into the wound within 3-4 seconds, and can avoid wound infection caused by hemostatic operation.
Drawings
FIG. 1 is a schematic view of the overall construction of the portable rapid extrusion device of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the device of the present invention;
FIG. 3 is a schematic view of the device of the present invention before the chuck is screwed to the barrel;
FIG. 4 is a cross-sectional view of the push rod and moving block of the device of the present invention;
FIG. 5 is a schematic view of the overall structure of the device of the present invention after installation of the injection needle;
FIG. 6 is a schematic view of the pusher structure of the device of the present invention;
FIG. 7 is a schematic view of the chuck configuration of the apparatus of the present invention;
in the figure: the device comprises a barrel 1, a discharge port 2, a moving block 3, a push rod 4, a chuck 5, a power spring 6, a locking nut 7, a handle 8, a clamping support 9, a discharge cover 10, a discharge needle 11, a conical structure 12 and a hollow cylinder 13.
Detailed Description
The invention is further described with reference to the accompanying drawings and implementation procedures.
As shown in fig. 1 and 2, a portable rapid extrusion device includes: the device comprises a cylinder body 1, a discharge hole 2 fixedly arranged at the front end of the cylinder body 1, a moving block 3 movably arranged in the cylinder body 1, a push rod 4 arranged in the moving block 3, a chuck 5 fixedly arranged at the rear end of the cylinder body 1, a power spring 6 arranged in the chuck 5, a locking nut 7 arranged at the upper end of the push rod 4 and a handle 8.
As shown in fig. 6, the upper end of the push rod 4 is provided with an external thread, and the lower end of the handle 8 is provided with a corresponding internal thread, so that when the push rod 4 and the handle 8 are installed, the push rod 4 and the handle 8 are connected and fixed together in a threaded manner, and then the lock nut 7 moves towards the handle 8 to fix the handle 8 and prevent the handle 8 and the push rod 4 from being separated.
As shown in fig. 7, the upper end of the power spring 6 is fixed in the circular groove of the handle 8, preventing the power spring 6 from being separated from the handle 8. The lower end of the power spring 6 is fixed in the hollow cylinder 13 of the chuck 5, when the power spring is installed, the push rod 4 is connected with the chuck 5 in a threaded mode, the power spring 6 is compressed between the chuck 5 and the handle 8, the power spring 6 is invisible from the surface, and the power spring is completely hidden in the hollow cylinder 13 of the chuck 5.
The moving block 3 is provided with a groove, and a rubber ring can be placed in the groove, so that the moving block 3 can move in the cylinder 1 conveniently.
As shown in figure 3, the rear end of the barrel body 1 is provided with a clamping support 9 which extends outwards along the radial direction of the barrel body 1, the clamping device is convenient to hold and provide an acting point, the use is convenient, and the chuck 5 and the clamping support 9 are connected in a rotary clamping groove mode, so that the assembly and the disassembly are convenient.
Example 1: as shown in figure 4, the installation process and the use method of the device are specifically explained by using the convex cone structure 12 at the lower end of the push rod 4, the groove structure in the moving block 3, the cone structure and the groove structure are single, and the hemostatic material is loaded in the cylinder.
During installation, the front end of the barrel body 1 is connected with the discharge cover 10, hemostatic materials are filled into the barrel body 1, then the rear end of the barrel body 1 is placed into the moving block 3 internally provided with the push rod 4, the clamping head 5 is rotationally connected with the barrel body 1, the upper end of the push rod 4 is fixedly provided with the handle 8 and the locking nut 7, the handle 8 is rotated anticlockwise, the push rod 4 is driven to rotate in the same direction to be connected with the clamping head 5, the power spring 6 is compressed, and then sterile packaging is carried out.
During the use, tear the wrapping bag, take out extrusion device, clockwise turning handle 8, after push rod 4 and chuck 5 separation, compressed power spring 6 drives push rod 4 and continues to move, until push rod 4 and movable block 3 are fixed, then insert the wound to barrel 1, press handle 8 and drive the motion of movable block 3, send out hemostatic material to the position of bleeding through ejection of compact lid 10 in the barrel 1. The whole process can be completed by one-hand operation, and is convenient and quick.
Example 2: for the extrusion device needing larger thrust, the cone structure 12 on the push rod 4 and the groove structure in the moving block 3 are increased, so that the binding force between the push rod 4 and the moving block 3 is larger. The installation procedure and the use procedure of the device were the same as in example 1.
Example 3: as shown in fig. 5, when the device is used for extruding a solution, the front end of the barrel 1 is connected with the discharging needle 11 when the device is installed, then the moving block 3 internally provided with the push rod 4 is placed at the rear end of the barrel 1, the chuck 5 is rotatably connected with the barrel 1, the upper end of the push rod 4 is fixedly provided with the handle 8 and the locking nut 7, the handle 8 is rotated anticlockwise to drive the push rod 4 to rotate in the same direction to be connected with the chuck 5, the power spring 6 is compressed, and then the sterile packaging is carried out.
When the device is used, the packaging bag is torn open, the extrusion device is taken out, the handle 8 is rotated clockwise, after the push rod 4 is separated from the chuck 5, the power spring 6 drives the push rod 4 to continue moving until the push rod 4 is fixed with the moving block 3, then the handle 8 is pressed to enable the moving block 3 to move downwards, the moving block 3 is pushed to the front end of the barrel body 1, the tail end of the discharge needle 11 is immersed in the solution, then the handle 8 is loosened slowly, the handle 8 returns to the highest point under the action of the power spring 6, the solution is sucked into the barrel body 1, finally the discharge needle 11 is inserted into a place where the solution is required to be injected, and the handle 8 is pressed to extrude the. The whole process can be completed by one-hand operation, and is convenient and quick.
Example 4: when the extrusion device containing the hemostatic material is taken, the packaging bag is torn open, the extrusion device is taken out, the discharging cover 10 is removed, the hemostatic material in the cylinder body 1 is taken out, then the discharging needle 11 is arranged, and the solution is sucked and injected according to the operation process in the embodiment 3.
Claims (10)
1. A portable rapid extrusion device, comprising: the automatic feeding device comprises a barrel, a discharge port fixedly arranged at the front end of the barrel, a moving block movably arranged in the barrel, a push rod arranged in the moving block, a chuck fixedly arranged at the rear end of the barrel, a power spring arranged in the chuck, a locking nut arranged at the upper end of the push rod and a handle.
2. The portable rapid extrusion device of claim 1, wherein the upper end of the push rod is provided with external threads, the lower end of the handle is provided with corresponding internal threads, and the push rod is connected with the handle in a threaded manner; after the handle is arranged on the push rod, the locking nut moves towards the handle in a thread rotating mode to clamp the handle, and the handle is prevented from being separated from the push rod.
3. The portable rapid extrusion device of claim 1 wherein a circular groove is provided in the middle of the handle and the upper end of the power spring is fixed in the circular groove.
4. The portable rapid extrusion device of claim 1, wherein the cartridge has a protruded hollow cylinder at an upper end thereof, and a power spring compressed at an initial time is installed in the cartridge, and a lower end of the power spring is fixed to the upper end of the cartridge.
5. The portable rapid extrusion device of claim 1, wherein the rear end of the cylinder is provided with a clamping holder extending outward along the radial direction of the cylinder, and the chuck and the clamping holder are connected by a rotary clamping groove.
6. The portable rapid extrusion device of claim 1, wherein the chuck has an internal thread formed therein and is threadedly coupled to the upper end of the push rod; after the handle rotates clockwise, the push rod is driven to rotate in the same direction, and the push rod can be separated from the chuck.
7. The portable rapid extrusion device of claim 1, wherein the moving block has a groove on the outside, and a rubber ring is placed in the groove.
8. The portable rapid extrusion device of claim 1, wherein the discharge port is detachable from the barrel body, and different types of discharge ports are replaced, and the discharge port comprises a discharge cover or a discharge needle.
9. The portable rapid extrusion device as claimed in claim 1, wherein the lower end of the push rod is provided with a convex cone structure, and the middle of the moving block is provided with a groove structure matched with the push rod for clamping the push rod.
10. The portable rapid extrusion device as claimed in claim 9, wherein the cone structure is distributed in a single, two or three axial direction, and the corresponding number of grooves are formed in the inner part of the moving block matched with the cone structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169942.1A CN110946633A (en) | 2019-11-26 | 2019-11-26 | Portable quick extrusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169942.1A CN110946633A (en) | 2019-11-26 | 2019-11-26 | Portable quick extrusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110946633A true CN110946633A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911169942.1A Pending CN110946633A (en) | 2019-11-26 | 2019-11-26 | Portable quick extrusion device |
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| CN (1) | CN110946633A (en) |
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| CN109044460A (en) * | 2018-09-03 | 2018-12-21 | 东南大学 | Foldable mixing hemostatic structures and hemostasis device based on helical spring |
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| CN208511696U (en) * | 2017-10-18 | 2019-02-19 | 广州军区广州总医院 | A kind of medical quantitative, continuous syringe |
| CN208897679U (en) * | 2018-06-13 | 2019-05-24 | 广州市明顿包装制品有限公司 | A kind of push type liquid storage bottle |
| CN208915807U (en) * | 2018-08-27 | 2019-05-31 | 中山市美捷时包装制品有限公司 | A kind of emulsion pumps |
| CN109908434A (en) * | 2019-04-29 | 2019-06-21 | 中国人民解放军东部战区总医院 | A kind of replaceable drug is prefilled with automatic injector and its working method |
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| CN1251049A (en) * | 1997-03-29 | 2000-04-19 | 朴志勲 | Continuous injecting apparatus |
| EP1889572A2 (en) * | 2003-05-30 | 2008-02-20 | William R. Krause | Biopsy and delivery device |
| CN1589748A (en) * | 2003-08-12 | 2005-03-09 | 威廉·R·拉斯曼 | Apparatus for transplanting a hair graft and method of using same |
| CN101304697A (en) * | 2005-11-11 | 2008-11-12 | 爱森斯有限公司 | Method and apparatus for insertion of a sensor |
| CN201150561Y (en) * | 2007-11-30 | 2008-11-19 | 叶立民 | Bone cement injection syringe |
| CN202295707U (en) * | 2011-10-31 | 2012-07-04 | 集泉塑胶工业股份有限公司 | Emulsion pressing head combined structure |
| WO2013131520A2 (en) * | 2012-03-06 | 2013-09-12 | Ferrosan Medical Devices A/S | Pressurized container containing haemostatic paste |
| CN103619210A (en) * | 2012-03-27 | 2014-03-05 | 金容埈 | Pump safety device for various containers |
| CN203009943U (en) * | 2012-11-15 | 2013-06-19 | 广东易山重工股份有限公司 | Overflow valve and overflow valve-adopted asphalt discharging pipe structure of joint sealing machine |
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| CN106267468A (en) * | 2015-06-04 | 2017-01-04 | 陈冠儒 | The syringe of incidental injury prevention |
| CN107801381A (en) * | 2015-06-24 | 2018-03-13 | 伊西康公司 | Haemostatic powder delivery apparatus and method |
| CN205034501U (en) * | 2015-10-13 | 2016-02-17 | 台州市雅黛日用品有限公司 | Packaging structure |
| CN105292728A (en) * | 2015-11-20 | 2016-02-03 | 余姚晟祺塑业有限公司 | Novel emulsion pump |
| CN205433799U (en) * | 2015-12-25 | 2016-08-10 | 天津雷拉科技有限公司 | First aid is with device that stanchs fast |
| CN206380881U (en) * | 2016-12-14 | 2017-08-08 | 浙江阿克希龙舜华铝塑业有限公司 | Rotating push type packing tube |
| CN107296636A (en) * | 2017-05-10 | 2017-10-27 | 中国人民解放军军事医学科学院卫生装备研究所 | A kind of injectable styptic sponge device, syringe and external member |
| CN107050632A (en) * | 2017-06-02 | 2017-08-18 | 江苏昌吉永生物科技股份有限公司 | A kind of emergency hemostatic apparatus |
| CN208481402U (en) * | 2017-07-24 | 2019-02-12 | 海斯摩尔生物科技有限公司 | Fast hemostasis device |
| CN208511696U (en) * | 2017-10-18 | 2019-02-19 | 广州军区广州总医院 | A kind of medical quantitative, continuous syringe |
| CN208897679U (en) * | 2018-06-13 | 2019-05-24 | 广州市明顿包装制品有限公司 | A kind of push type liquid storage bottle |
| CN208915807U (en) * | 2018-08-27 | 2019-05-31 | 中山市美捷时包装制品有限公司 | A kind of emulsion pumps |
| CN109044460A (en) * | 2018-09-03 | 2018-12-21 | 东南大学 | Foldable mixing hemostatic structures and hemostasis device based on helical spring |
| CN109908434A (en) * | 2019-04-29 | 2019-06-21 | 中国人民解放军东部战区总医院 | A kind of replaceable drug is prefilled with automatic injector and its working method |
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Application publication date: 20200403 |