CN110731812A - Split sternum puncture needle handle assembly and split sternum puncture needle - Google Patents
Split sternum puncture needle handle assembly and split sternum puncture needle Download PDFInfo
- Publication number
- CN110731812A CN110731812A CN201911189279.1A CN201911189279A CN110731812A CN 110731812 A CN110731812 A CN 110731812A CN 201911189279 A CN201911189279 A CN 201911189279A CN 110731812 A CN110731812 A CN 110731812A
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- China
- Prior art keywords
- sleeve
- firing
- puncture needle
- firing shaft
- handle assembly
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3407—Needle locating or guiding means using mechanical guide means including a base for support on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3409—Needle locating or guiding means using mechanical guide means including needle or instrument drives
Abstract
The invention discloses an split type sternum puncture needle handle assembly and a split type sternum puncture needle, wherein the handle assembly comprises a sleeve, a firing shaft, an energy storage mechanism, a trigger mechanism and a quick-change assembly, the firing shaft is in sliding fit with the sleeve, the energy storage mechanism is arranged between a end, extending into an inner cavity of the sleeve, of the firing shaft and the sleeve, the trigger mechanism comprises a firing blocking sheet, a reset piece and a trigger disc, the firing blocking sheet extends out of a locking firing shaft under the action of the reset piece to enable the energy storage mechanism to be in an energy storage state, the trigger disc can be in contact fit with the firing blocking sheet to enable the firing blocking sheet to retract to release the firing shaft, the quick-change assembly comprises an annular clamping sleeve arranged at the opening end of the sleeve, a plurality of spring pins are arranged on the annular clamping sleeve, and the spring pins are matched with pin grooves on the firing base to enable the quick-change assembly to be clamped with the firing base, the base assembly.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an split type sternum puncture needle handle assembly and a split type sternum puncture needle.
Background
The intraosseous infusion is advanced first-aid measures, when venipuncture can not be established, intraosseous puncture can realize rapidly establishing an intraosseous infusion channel, the cure rate of emergency personnel at the emergency site is improved, the conventional split handle sternum puncture needle generally comprises a handle component and a base component, wherein the handle component can be reused, and the base component is provided with a main needle and an auxiliary needle for puncture, so that the split handle sternum puncture needle can only be used for times, and the base component needs to be assembled on the handle component during puncture, therefore, how to provide connecting structures which facilitate the connection and disassembly of the base component and the handle component becomes an important technical problem to be solved by technical personnel in the field.
Disclosure of Invention
It is an object of the present invention to provide a split sternal needle handle assembly to facilitate connection of the handle assembly to the base assembly.
Another object of the invention is to provide split sternal puncture needles comprising the split sternal puncture needle handle assembly described above.
In order to achieve the purpose, the invention provides the following technical scheme:
Split sternum puncture needle handle assembly, which comprises a sleeve, a firing shaft, an energy storage mechanism, a trigger mechanism and a quick change assembly, wherein the end of the firing shaft penetrates through the closed end of the sleeve and extends into the inner cavity of the sleeve, the firing shaft is in sliding fit with the sleeve, the energy storage mechanism is arranged between the end of the firing shaft extending into the inner cavity of the sleeve and the sleeve, the end of the firing shaft extending into the inner cavity of the sleeve is provided with a connecting structure matched with a puncture needle, the trigger mechanism comprises a firing baffle and a trigger disc, the firing baffle is telescopically arranged on of the sleeve and the firing shaft through a reset piece, the firing baffle can extend out of the reset piece to lock the firing shaft so that the energy storage mechanism is in an energy storage state, the trigger disc is in sliding fit with the sleeve, the trigger disc can move along the opening end of the sleeve in the firing direction to be in contact fit with the baffle so that the trigger baffle retracts to release the firing shaft, the trigger assembly is used for connecting with a firing base, the cutting sleeve comprises an annular cutting ferrule, the annular quick change assembly is arranged on the annular cutting ferrule, and the quick change assembly is arranged on the inner side wall of the quick change assembly and is matched with the quick change assembly so that the quick change spring pin and.
Preferably, the end of the firing shaft extending into the sleeve inner cavity is provided with a stop limiting surface, the inner wall of the sleeve is provided with a stop matching surface, when the energy storage mechanism is in an energy storage state, the distance between the stop limiting surface and the stop matching surface is the firing distance of the firing shaft, and the stop limiting surface and the stop matching surface are in interference fit to carry out firing limitation on the firing shaft.
Preferably, a plurality of triggering separation blades are uniformly arranged along the circumferential direction, and contacts corresponding to the triggering separation blades are arranged on the triggering plate.
Preferably, a reset handle is connected to the end of the firing shaft located outside the sleeve.
Preferably, the sleeve further comprises an end cap, wherein the end cap is detachably connected with the open end of the sleeve to close the open end of the sleeve.
Preferably, the firing shaft and the sleeve are relatively locked by a safety locking structure, the safety locking structure comprises a stop pin arranged at the end of the firing shaft outside the sleeve and a safety disc rotatably arranged at the top of the sleeve, an unlocking groove is arranged on the safety disc along the direction from the closed end to the open end of the sleeve, and after the safety disc rotates by a preset angle, the stop pin is matched with the unlocking groove to unlock the firing shaft relative to the sleeve.
Preferably, of the sleeve with in the rupture disc are provided with the arc spout, another of the sleeve with in the rupture disc are provided with the spacing pin of arc spout sliding fit, when spacing pin along the arc spout slides to extreme position, the opening of unblock groove with the insurance axle is relative, when spacing baffle slides to the second extreme position along the arc spout, the insurance axle with the up end cooperation of rupture disc.
Preferably, two ends of the arc-shaped sliding groove are respectively provided with a magnet, and the two magnets are respectively used for adsorbing the limit stop lever so as to enable the firing shaft to be maintained at a locking position and an unlocking position.
Preferably, the outer wall of the safety disc is provided with wavy vertical lines which are uniformly distributed along the circumferential direction.
Split sternum puncture needle, comprising a handle component and a base component matched with the handle component, wherein the handle component is the split sternum puncture needle handle component of any items.
In order to achieve the purpose, the invention provides a split sternal puncture needle handle assembly which comprises a sleeve, a firing shaft, an energy storage mechanism, a trigger mechanism and a quick change assembly, wherein the end of the firing shaft penetrates through the closed end of the sleeve to extend into an inner cavity of the sleeve, the firing shaft is in sliding fit with the sleeve, the energy storage mechanism is arranged between the end of the firing shaft extending into the inner cavity of the sleeve and the sleeve, and the end of the firing shaft extending into the inner cavity of the sleeve is provided with a connecting structure matched with a puncture needle;
when the base assembly is used, the sleeve is sleeved into the base assembly, after the sleeve is sleeved in place, the spring pin in the annular sleeve extends out under the action of the spring to be matched with the pin groove on the base assembly to realize the connection of the handle assembly and the base assembly, and the base assembly is directly pulled out from the handle assembly forcibly during disassembly; then the base component is placed at the optimal sternum puncture position of a patient, at the moment, a percussion blocking piece in the trigger mechanism locks a percussion shaft, the energy storage mechanism is in an energy storage state, the sleeve is pressed to enable the energy storage mechanism to slide downwards relative to the base component, the triggering plate is in contact fit with the base component, the triggering plate is matched with the percussion blocking piece under the driving of the base component, the percussion blocking piece retracts under the action of a reset piece, the percussion shaft is released, and the energy storage mechanism pushes the percussion shaft to drive a puncture needle to move downwards to puncture the sternum; when the handle assembly is reset, the firing shaft is pulled, the guide structure between the firing shaft and the firing baffle piece forces the firing baffle piece to compress the reset piece to retreat, so that the firing shaft moves upwards to reset, and after the locking surface of the firing shaft is superposed with the upper plane of the firing baffle piece, the reset piece resets the firing baffle piece to lock the firing shaft; therefore, the split sternum infusion needle is provided with the quick-change component, the base component can be conveniently replaced in the using process, large-scale group damage can be easily coped with, the handle component can be repeatedly used, waste is reduced, and the using cost is reduced.
The invention also provides split type sternum puncture needle, which comprises a handle component and a base component matched with the handle component, wherein the handle component is the split type sternum puncture needle handle component.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of a split sternum puncture needle handle assembly provided by an embodiment of the present invention before firing;
FIG. 2 is a sectional view taken along line A in FIG. 1;
FIG. 3 is a sectional view taken along line B of FIG. 1;
FIG. 4 is a cross-sectional view of the firing stop in the split sternum puncture needle handle assembly provided by the embodiment of the invention;
FIG. 5 is a front view of the split sternum puncture needle handle assembly provided by the embodiment of the invention after firing;
fig. 6 is a cross-sectional view taken along line C in fig. 5.
In the figure:
the safety device comprises a trigger shaft 1, a safety shaft 2, a safety disc 3, a sleeve 4, an energy storage mechanism 5, a connecting structure 6, a trigger disc 7, an th elastic piece 8, a quick-change assembly 9, a second elastic piece 10, an end cover 11, a trigger blocking piece 12, a reset piece 13, a reset handle 14, a limit blocking rod 15, an arc-shaped sliding chute 16 and a magnet 17.
Detailed Description
at the core of the invention is to provide split sternum puncture needle handle component, the structure design of which is convenient for the connection with the base component and the operation.
Another core of the invention is to provide split sternum puncture needles comprising the split sternum puncture needle handle assembly.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
Referring to fig. 1-4, fig. 1 is a front view of a split sternum puncture needle handle assembly provided by an embodiment of the invention before firing, fig. 2 is a sectional view taken along the direction a in fig. 1, fig. 3 is a sectional view taken along the direction B in fig. 1, and fig. 4 is a sectional view taken at the firing stop of the split sternum puncture needle handle assembly provided by an embodiment of the invention.
The split type sternal puncture needle handle component provided by the embodiment of the invention comprises a sleeve 4, a firing shaft 1, an energy storage mechanism 5, a trigger mechanism and a quick-change component 9.
The quick-change assembly 9 is used for connecting a quick-change base, the quick-change assembly 9 comprises an annular clamping sleeve, the annular clamping sleeve is arranged at the opening end of the inner side wall of the sleeve 4, a plurality of spring pins are arranged on the annular clamping sleeve, the spring pins and quick-change pin grooves on the base are matched with each other to enable the quick-change assembly 9 to be in sliding fit with the quick-change base, so that the triggering mechanism is in an energy storage state, the quick-change assembly 9 comprises an annular clamping sleeve, the annular clamping sleeve is arranged at the opening end of the inner side wall of the sleeve 4, and the quick-change assembly 9 is matched with the quick-change pin grooves on the base to enable the clamping sleeve 9 to be in a clamping fit with the triggering base.
Compared with the prior art, when the split sternum puncture needle handle assembly is used, the sleeve 4 is sleeved into the base assembly, after the sleeve is sleeved in place, the spring pin in the annular clamping sleeve extends out under the action of the spring to be matched with the pin groove on the base assembly to realize the connection of the handle assembly and the base assembly, and the base assembly is directly pulled out from the handle assembly forcibly during disassembly; then the base component is placed at the optimal sternum puncture position of a patient, at the moment, a percussion blocking piece 12 in the trigger mechanism locks a percussion shaft 1, an energy storage mechanism 5 is in an energy storage state, a sleeve 4 is pressed to enable the sleeve to slide downwards relative to the base component, a trigger disc 7 is in contact fit with the base component, the trigger disc 7 is matched with the percussion blocking piece 12 under the driving of the base component, the percussion blocking piece 12 is retracted under the action of a reset piece 13, the percussion shaft 1 is released, and the energy storage mechanism 5 pushes the percussion shaft 1 to drive a puncture needle to move downwards to puncture the sternum, as shown in fig. 5 and 6; when the handle assembly is reset, the firing shaft 1 is pulled, the guide structure between the firing shaft 1 and the firing baffle 12 forces the firing baffle 12 to compress the reset piece 13 to retreat, so that the firing shaft 1 moves upwards to reset, and after the locking surface of the firing shaft 1 is superposed with the upper surface of the firing baffle 12, the reset piece 13 resets the firing baffle 12 to lock the firing shaft 1; therefore, the split sternum infusion needle is provided with the quick-change component 9, the base component can be conveniently replaced in the using process, large-scale group injuries can be easily coped with, the handle component can be repeatedly used, waste is reduced, and the using cost is reduced.
As shown in fig. 2, the firing shaft 1 is provided with an annular protrusion, the lower surface of the annular protrusion is a locking surface of the firing shaft 1, and at least of the upper surface of the annular protrusion and the upper surface of the firing baffle 12 are provided with guiding structures such as an arc surface and an inclined surface.
In the embodiment of the invention, a stop limiting surface is arranged at the end of the firing shaft 1 extending into the inner cavity of the sleeve 4, a stop matching surface is arranged on the inner wall of the sleeve 4, when the energy storage mechanism 5 is in an energy storage state, the distance between the stop limiting surface and the stop matching surface is the firing distance of the firing shaft 1, the stop limiting surface and the stop matching surface are in interference fit to carry out firing limit on the firing shaft 1, and the stop matching structure is arranged on the firing shaft 1 and the firing sleeve 4, so that the firing distance of the firing shaft 1 can be accurately controlled, and the sternum can be suitable for the sternum with the relatively thin thickness.
In order to ensure that the percussion shaft 1 is stressed uniformly and can be accurately and axially fired, a plurality of percussion blocking pieces 12 are uniformly arranged along the circumferential direction, and contacts corresponding to the percussion blocking pieces 12 are arranged on the trigger plate 7.
In the embodiment of the present invention, the handle assembly is configured to be reusable, and it is necessary to consider the resetting condition of the firing shaft 1, and for this purpose, as shown in fig. 1 and 2, the end of the firing shaft 1 located outside the sleeve 4 is connected with a resetting handle 14, and the resetting handle 14 and the firing shaft 1 can form a T-shaped structure, an L-shaped structure, a J-shaped structure and the like, so as to facilitate the resetting operation of the firing shaft 1.
Since the handle assembly is to be reused and is to be protected from dust and bacteria, in order to keep the handle assembly in a sealed and sterile environment during storage and transportation, in the embodiment of the present invention, the handle assembly further includes an end cap 11, and the end cap 11 is detachably connected to the open end of the sleeve 4 to close the open end of the sleeve 4, so as to prevent the handle assembly from being contaminated by dust and bacteria.
In order to prevent the handle assembly from being triggered by mistake before is ready for use, the handle assembly in the embodiment of the invention further comprises a safety locking structure for locking the firing shaft 1 and the sleeve 4 relatively, the safety locking structure comprises a stop pin arranged at the end of the firing shaft 1, which is positioned outside the sleeve 4, and a safety disc 3 rotatably arranged at the top of the sleeve 4, an unlocking groove is arranged on the safety disc 3 along the direction from the closed end to the open end of the sleeve 4, the stop pin can be matched with the unlocking groove only after the safety disc 3 rotates a preset angle to unlock the firing shaft 1 relative to the sleeve 4, the safety locking structure only needs to rotate the safety disc 3 when in use, any part is not required to be taken down from the sternum puncture needle device, the safety locking structure is not easy to lose, the locking and unlocking operation of the safety locking structure is simple, the safety locking and unlocking operation are easy to learn and use, and the locking and opening states of the.
The sleeve 4 and the safety disc 3 can be rotationally matched in a plurality of ways, in the embodiment of the invention, of the sleeve 4 and the safety disc 3 are provided with arc-shaped sliding grooves 16, the other of the sleeve 4 and the safety disc 3 are provided with limit stop levers 15 in sliding fit with the arc-shaped sliding grooves 16, when the limit stop levers 15 slide to the limit position along the arc-shaped sliding grooves 16, the opening of the unlocking groove is opposite to the safety shaft 2, and when the limit stop levers slide to the second limit position along the arc-shaped sliding grooves 16, the safety shaft 2 is matched with the upper end face of the safety disc 3.
Preferably, in the embodiment of the present invention, the central angle of the arc chute 16 is 90 °, although other angles may be adopted, and are not limited herein.
Preferably, the limit stop lever 15 is a screw, the screw passes through the arc chute 16 on the safety disc 3 to be screwed with the sleeve 4, and a screw cap of the screw is matched with the sleeve 4 to axially limit the safety disc 3.
Of course, the sleeve 4 and the safety disc 3 may be rotatably engaged in other ways besides the above-mentioned engaging way, or the safety disc 3 may be only rotatably arranged on the firing shaft 1, and the above-mentioned installing way of the safety disc 3 is only preferred embodiments provided by the embodiment of the present invention, and is not limited to this.
In order to stably keep the safety disc 3 at the locking position and the unlocking position, two ends of the arc-shaped sliding groove 16 are respectively provided with a magnet 17, the two magnets 17 are respectively used for adsorbing the limit stop lever 15 so as to maintain the firing shaft 1 at the locking position and the unlocking position, when the limit stop lever 15 moves to the limit positions at the two ends of the arc-shaped sliding groove 16, the magnet 17 at the position can adsorb the limit stop lever 15 to position the safety disc 3, so that the safety disc 3 is prevented from deviating from the locking position or the unlocking position, and the effectiveness of locking or unlocking is ensured.
, optimizing the technical scheme, and arranging wavy vertical lines uniformly distributed along the circumferential direction on the outer wall of the safety disc 3 for convenient operation.
As shown in fig. 2 and 6, an elastic member 8 is arranged between the trigger plate 7 and the sleeve 4, a second elastic member 10 for contacting and matching with the base assembly is arranged at the open end of the sleeve 4, and by arranging the th elastic member 8 and the second elastic member 10, the damping feeling during the operation of the operator can be increased, the working state of the split sternum puncture needle handle assembly can be fed back, and the operation feeling of the operator can be improved.
Based on the split sternum puncture needle handle component, the split sternum puncture needle comprises a handle component and a base component matched with the handle component, wherein the handle component is the split sternum puncture needle handle component as described in any item above, and as the split sternum puncture needle handle component has the technical effects, please refer to the above embodiment for the technical effects of the sternum puncture needle adopting the split sternum puncture needle handle component.
Specifically, above-mentioned base subassembly includes base main part, main needle subassembly and vice needle subassembly, the base main part be used for with the open end sliding fit of sleeve 4, main needle subassembly and vice needle subassembly and base main part sliding fit, the tail end of main needle subassembly is used for cooperating with the connection structure 6 that firing axle 1 stretched into ends of sleeve 4 inner chamber, vice needle subassembly can conflict the cooperation with trigger plate 7 so that trigger plate 7 moves to the closed end direction along the sleeve 4 open end.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
Claims (10)
- The split sternal puncture needle handle assembly is characterized by comprising a sleeve, a firing shaft, an energy storage mechanism, a trigger mechanism and a quick-change assembly, wherein the end of the firing shaft penetrates through the closed end of the sleeve and extends into an inner cavity of the sleeve, the firing shaft is in sliding fit with the sleeve, the energy storage mechanism is arranged between the end of the firing shaft extending into the inner cavity of the sleeve and the sleeve, a connecting structure used for being matched with a puncture needle is arranged at the end of the firing shaft extending into the inner cavity of the sleeve, the trigger mechanism comprises a firing blocking piece and a trigger disc, the firing blocking piece is telescopically arranged on of the sleeve and the firing shaft through a reset piece, the firing blocking piece can extend out of the firing shaft under the action of the reset piece to enable the energy storage mechanism to be in an energy storage state, the trigger disc is in sliding fit with the sleeve, the trigger disc can move along the direction of the sleeve towards the closed end and is in contact fit with the blocking piece to enable the firing blocking piece to retract to release the firing shaft, the quick-change assembly comprises an annular clamping sleeve, and an annular spring clamping sleeve, and a plurality of annular spring pins are arranged on the inner side wall of the quick-change assembly and can be clamped with the quick-change assembly.
- 2. The split sternal puncture needle handle assembly of claim 1, wherein a stop limiting surface is arranged at the end of the firing shaft extending into the inner cavity of the sleeve, a stop mating surface is arranged on the inner wall of the sleeve, when the energy storage mechanism is in an energy storage state, the distance between the stop limiting surface and the stop mating surface is the firing distance of the firing shaft, and the stop limiting surface and the stop mating surface are in interference fit to perform firing limitation on the firing shaft.
- 3. The split sternal puncture needle handle assembly of claim 1, wherein a plurality of the triggering blocking pieces are uniformly arranged along the circumferential direction, and the triggering plate is provided with contacts corresponding to the triggering blocking pieces.
- 4. The split sternal puncture needle handle assembly of any of claims 1-3, wherein a reduction handle is attached to the end of the firing shaft outside the sleeve.
- 5. The split sternal puncture needle handle assembly of any of claims 1-3 to , further comprising an end cap removably attached to the open end of the sleeve to close the open end of the sleeve.
- 6. The split sternal puncture needle handle assembly of any one of claims 1 to 3 to , further comprising a safety locking structure for locking the firing shaft and the sleeve, wherein the safety locking structure comprises a stop pin disposed at the end of the firing shaft outside the sleeve and a safety disc rotatably disposed at the top of the sleeve, the safety disc is provided with an unlocking groove along the direction from the closed end to the open end of the sleeve, and the stop pin and the unlocking groove cooperate to unlock the firing shaft relative to the sleeve after the safety disc rotates a predetermined angle.
- 7. The split sternal puncture needle handle assembly of claim 6, wherein of the sleeve and the safety disc are provided with arc-shaped sliding grooves, the other of the sleeve and the safety disc are provided with limit stop bars which are slidably engaged with the arc-shaped sliding grooves, when the limit stop bars slide along the arc-shaped sliding grooves to the th limit position, the opening of the unlocking groove is opposite to the safety shaft, and when the limit stop bars slide along the arc-shaped sliding grooves to the second limit position, the safety shaft is engaged with the upper end face of the safety disc.
- 8. The split sternal puncture needle handle assembly of claim 7, wherein two ends of the arc-shaped sliding groove are respectively provided with a magnet, and the two magnets are respectively used for adsorbing the limit stop lever so as to maintain the firing shaft at the locking position and the unlocking position.
- 9. The split sternal puncture needle handle assembly of claim 6, wherein the outer wall of the safety disc is provided with wavy vertical lines which are uniformly distributed along the circumferential direction.
- 10, A split sternal puncture needle comprising a handle assembly and a base assembly cooperating with the handle assembly, wherein the handle assembly is the split sternal puncture needle handle assembly of any claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189279.1A CN110731812A (en) | 2019-11-28 | 2019-11-28 | Split sternum puncture needle handle assembly and split sternum puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189279.1A CN110731812A (en) | 2019-11-28 | 2019-11-28 | Split sternum puncture needle handle assembly and split sternum puncture needle |
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| Publication Number | Publication Date |
|---|---|
| CN110731812A true CN110731812A (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911189279.1A Pending CN110731812A (en) | 2019-11-28 | 2019-11-28 | Split sternum puncture needle handle assembly and split sternum puncture needle |
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| Country | Link |
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| CN (1) | CN110731812A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112790796A (en) * | 2020-06-24 | 2021-05-14 | 南京迈迪欣医疗器械有限公司 | Automatic percussion formula living tissue sampling needle |
| CN113768550A (en) * | 2021-09-18 | 2021-12-10 | 施康培医药科技(武汉)有限公司 | Biopsy needle device and single loading firing mechanism thereof |
| CN114052849A (en) * | 2020-07-31 | 2022-02-18 | 杭州三坛医疗科技有限公司 | Epidural anesthesia robot needle placement mechanism |
-
2019
- 2019-11-28 CN CN201911189279.1A patent/CN110731812A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112790796A (en) * | 2020-06-24 | 2021-05-14 | 南京迈迪欣医疗器械有限公司 | Automatic percussion formula living tissue sampling needle |
| CN114052849A (en) * | 2020-07-31 | 2022-02-18 | 杭州三坛医疗科技有限公司 | Epidural anesthesia robot needle placement mechanism |
| CN114052849B (en) * | 2020-07-31 | 2023-08-18 | 杭州三坛医疗科技有限公司 | Needle setting mechanism of epidural anesthesia robot |
| CN113768550A (en) * | 2021-09-18 | 2021-12-10 | 施康培医药科技(武汉)有限公司 | Biopsy needle device and single loading firing mechanism thereof |
| CN113768550B (en) * | 2021-09-18 | 2023-09-15 | 德林医疗科技(武汉)有限公司 | Biopsy needle device and single-time loading firing mechanism thereof |
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