CN216675858U - Unlocking structure capable of being unlocked by one hand, cannula assembly and puncture outfit - Google Patents
Unlocking structure capable of being unlocked by one hand, cannula assembly and puncture outfit Download PDFInfo
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- CN216675858U CN216675858U CN202122821021.8U CN202122821021U CN216675858U CN 216675858 U CN216675858 U CN 216675858U CN 202122821021 U CN202122821021 U CN 202122821021U CN 216675858 U CN216675858 U CN 216675858U
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Abstract
The utility model provides an unlocking structure capable of being unlocked by one hand, which comprises a limiting column, a poking table and a clamping table, wherein the limiting column, the poking table and the clamping table are arranged on a sealing seat of a sealing body part; the device comprises a bushing part, a duckbill cover, a clamping groove and an elastic release button, wherein the duckbill cover is arranged on a bushing part; spacing platform and button and unlocking piece between have the clearance through spacing post, spacing post can form the locking state in entering into spacing platform draw-in groove along spacing platform slide, also can break away from getting back to spacing platform slide in spacing platform draw-in groove under the thrust of unlocking piece, form the unlocking state. The utility model also provides a cannula assembly capable of being unlocked by one hand and a puncture outfit. The elastic release button and the toggle table are adopted, so that a user can press the release button by a thumb and toggle the toggle table by a forefinger to unlock the sleeve component when holding the sleeve component by a single hand; the release button has a simple structure and low manufacturing and installation costs.
Description
Technical Field
The utility model belongs to the field of minimally invasive surgical instruments, and relates to a separable cannula assembly, in particular to an unlocking structure capable of being unlocked by one hand, a cannula assembly and a puncture outfit.
Background
A puncture outfit is often used in the existing minimally invasive surgery. The piercer is typically comprised of an obturator assembly, a seal body part and a cannula part, such as the one disclosed in US20060264992a1, which comprises an obturator assembly, a seal body part and a cannula part, and a similar type of piercer is also disclosed in CN 200410092156.3. When puncturing, the puncture outfit of the prior art inserts the stopper assembly into the cannula assembly (consisting of the sealing body component and the cannula assembly), the whole puncture outfit is used, the stopper assembly is taken out after the puncture outfit is inserted into the abdomen of a human body, then the surgical instrument performs surgical operation through the cannula assembly, and when needed, the sealing body component needs to be released from the cannula assembly. At present, the method for releasing the sealing body part in the prior art generally comprises the steps that a doctor pinches the sleeve part with one hand, twists the sealing body part with the other hand, unlocks the sealing body part, performs other surgical operations, and is difficult to realize the one-hand operation of the doctor in the releasing process.
To solve the above problems of the puncture instrument, chinese patent CN209789968U proposes a locking ring structure capable of being unlocked by one-hand pressing, which is applied to the puncture instrument, in use, the doctor holds the cannula part with one hand, and then presses the handle downwards with the thumb to disengage the sealing body part from the cannula part, thereby completing the unlocking of the cannula part. However, the prior art still has the following problems: 1. in the unlocking process of the cannula assembly, only the thumb acts, the button assembly needs to be pressed down and the sealing body part needs to be rotated, so that a doctor using the cannula assembly needs to have enough thumb pressing force to unlock the cannula assembly, and the doctor with insufficient thumb pressing force is difficult to complete the unlocking operation in the actual operation; 2. the button assembly is relatively complex, resulting in relatively high costs during manufacture and assembly.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, an object of the present invention is to provide an unlocking structure capable of unlocking with a single hand, which can quickly realize the single-hand unlocking of the sealing body part and the sleeve part of the puncture device by the force of the thumb and other fingers of the user.
The technical scheme of the utility model is as follows: an unlocking structure capable of being unlocked by one hand, comprising:
the limiting column, the shifting table and the clamping table are arranged on the sealing seat of the sealing body part;
the device comprises a bushing part, a duckbill cover, a limiting table clamping groove, a limiting table sliding rail and an elastic release button, wherein the duckbill cover is arranged on a bushing part;
spacing platform and button and unlocking piece between have the clearance through spacing post, spacing post can enter into the locking state who forms sealing body part and bushing part in the spacing platform draw-in groove along spacing platform slide, also can break away from getting back to spacing platform slide in from spacing platform draw-in groove under the thrust of unlocking piece, forms the unlocking state of sealing body part and bushing part.
The clamping table is matched with the clamping groove, and when the sealing body part and the sleeve part are in a locking state, the clamping table enters a clamping groove of the clamping groove; when the sealing body part and the sleeve part are in an unlocking state, the clamping table is separated from the clamping groove of the clamping groove.
Furthermore, 3 clamping platforms are respectively arranged on the inner side surface of the inner hole at the lower part of the sealing seat; 3 clamping grooves are respectively arranged on the outer side surface of the circular ring at the upper part of the duckbilled cover; the inner hole at the lower part of the sealing seat is matched with the circular ring at the upper part of the duckbilled cover, and each clamping platform is provided with a corresponding clamping groove.
Furthermore, the bottom of each clamping groove is provided with a clamping groove used for clamping the limiting column.
Furthermore, the release button comprises a limiting table, a button, an unlocking block, an elastic beam and positioning sleeves, wherein the limiting table, the button and the unlocking block are arranged in the middle of the elastic beam, and the two positioning sleeves are respectively arranged at two ends of the elastic beam; the limiting table is a herringbone boss, and the side surface of the limiting table is provided with a limiting table clamping groove and a limiting table slideway which are adjacent.
Furthermore, the limiting table, the button, the unlocking block, the elastic beam and the positioning sleeve of the release button are manufactured integrally.
Furthermore, the material of the release button is plastic.
The utility model also aims to provide a sleeve component capable of being unlocked by one hand, which comprises a sealing body component and a sleeve component, wherein an inner hole at the lower part of the sealing body component can be sleeved on the outer side surface of an upper circular ring of the sleeve component, and the sealing body component and the sleeve component are provided with the unlocking structure capable of being unlocked by one hand.
The utility model also aims to provide a puncture outfit capable of being unlocked by one hand, which comprises a stopper assembly, a sealing body part and a sleeve part, wherein an inner hole at the lower part of the sealing body part can be sleeved on the outer side surface of an upper circular ring of the sleeve part, and the sealing body part and the sleeve part are provided with the unlocking structure capable of being unlocked by one hand.
The utility model has the advantages that: 1. due to the adoption of the elastic release button and the toggle table, a user can adopt the thumb and other fingers to relatively pinch and press the release button to unlock the sleeve component when holding the sleeve component with a single hand, the seal component is separated from the sleeve component by toggling through the index finger, the thumb and the index finger are both assigned, the thumb force required by unlocking is small, and the burden of the user is lightened. 2. The unlocking block on the button can push the limiting column to be separated from the limiting table clamping groove to the limiting table slideway, and unlocking of the sealing body part and the sleeve part can be achieved without poking by a forefinger. 3. The release button has a simple structure and low manufacturing and installation costs.
Drawings
Fig. 1 is a schematic structural view of a sealing body part of one embodiment of an unlocking structure capable of unlocking with one hand.
Fig. 2 is a schematic structural view of a sleeve part of an embodiment of the unlocking structure capable of being unlocked by one hand.
Fig. 3 is a schematic structural view of a release button of an embodiment of the unlocking structure capable of being unlocked by one hand of the utility model.
Fig. 4 is a schematic structural view of one embodiment of the puncture instrument capable of being unlocked by one hand of the present invention.
Wherein: 10-stopper component, 20-sealing body component, 21-sealing cover, 22-sealing seat, 221-limiting column, 222-toggle table, 223-position clamping table, 30-sleeve component, 31-sleeve, 32-duckbill cover, 321-position clamping groove, 3211-slide way, 3212-position clamping groove slot, 33-release button, 331-limiting table, 3311-limiting table slot, 3312-limiting table slide way, 3313-peak point, 332-button, 333-unlocking block, 3331-unlocking slide way, 334-elastic beam, 335-positioning sleeve.
Detailed Description
The unlocking structure, the cannula assembly and the puncture outfit which can be unlocked by one hand are further described below with reference to the attached drawings.
Fig. 1 is a schematic structural view of a sealing body part 20 of an embodiment of an unlocking structure capable of unlocking with one hand according to the present invention, the sealing body part 20 comprises an upper sealing cover 21 and a lower sealing seat 22, the sealing cover 21 is tightly connected with the sealing seat 22 into a whole, and a toggle table 222 is arranged on the outer surface of the lower part of the sealing seat 22, and the shape of the toggle table is suitable for being pushed by a user's index finger, and can be a semi-cylindrical shape, a semi-prism shape, a triangular cone shape or other shapes capable of protruding. The inner surface of the lower part of the sealing seat 22 forms a hollow inner hole, and the inner hole wall near the lower edge of the sealing seat 22 is uniformly provided with more than 1, preferably 3, locking platforms 223 for locking the sealing body part 20 on the sleeve part 30. The bore wall is also provided with a retaining post 221 extending beyond the lower edge of the seal holder 22 for locking the seal body member 20 to the sleeve member 30 or unlocking it from the sleeve member 30.
Fig. 2 is a schematic structural diagram of a bushing member 30 of an embodiment of an unlocking structure capable of being unlocked by one hand of the present invention, the bushing member 30 includes a lower elongated threaded pipe, an upper bushing 31 and a top duckbill cover 32, an upper portion of the duckbill cover 32 is provided with a ring, 1 or more preferably 3 locking grooves 321 are uniformly provided on an outer circumferential surface of the ring, each locking groove 321 includes a slide 3211 and a locking groove 3212, the slide 3211 is used for receiving a limiting column 221 on the sealing seat 22 and providing a passage for the limiting column 221 to enter the locking groove 3212; the clamping groove 3212 is arranged at the bottom of the slide 3211.
The outer surface of the lower part of the duck mouth cover 32 is provided with a notch for installing a release button 33; two positioning posts (not shown) are provided in the indentation for cooperating with two positioning sleeves on the release button 33.
As shown in fig. 3, which is a schematic structural diagram of the release button 33 of an embodiment of the unlocking structure capable of unlocking with one hand according to the present invention, the release button 33 includes a limiting table 331, a button 332, an unlocking block 333, an elastic beam 334 and positioning sleeves 335, the limiting table 331, the button 332 and the unlocking block 333 are disposed in the middle of the elastic beam 334, and the two positioning sleeves 335 are respectively disposed at two ends of the elastic beam 334; the position-limiting table 331 is a herringbone boss, and has a position-limiting table-engaging groove 3311 and a position-limiting table-sliding rail 3312 adjacent to each other on the side surface thereof. The position-limiting platform-clamping groove 3311 and the position-limiting platform-sliding way 3312 are in arc transition and have a highest point 3313.
The release button 33 is installed in a notch on the outer surface of the lower part of the duckbill cover 32, and the positioning sleeves 335 on both sides of the release button 33 are respectively sleeved into 2 positioning columns (not shown) in the notch. To avoid the volume occupied by the positioning sleeve 335 being too large, the positioning sleeve 334 may be made in the shape of a split cylinder. In addition, in order to allow the elastic release button 33 to have a deformation space in the indentation of the duckbill cap 32, the size of the positioning sleeve 335 is slightly larger than the size of the positioning column, for example, between 0.5mm and 2 mm.
The stop 331, the button 332, the unlocking block 333, the elastic beam 334 and the positioning sleeve 335 of the release button 33 may be an assembly of a plurality of discrete parts, or may be integrally formed, and are preferably molded by a plastic mold.
The utility model also provides a sleeve assembly capable of being unlocked by one hand, which comprises a sealing body part 20 and a sleeve part 30, wherein an inner hole at the lower part of the sealing body part 20 can be sleeved on the outer side surface of a circular ring at the upper part of the sleeve part 30, and unlocking structures capable of being unlocked by one hand are arranged on the sealing body part 20 and the sleeve part 30.
As shown in FIG. 4, the puncture outfit capable of being unlocked by one hand provided by the utility model comprises a stopper component 10, a sealing body component 20 and a sleeve component 30, wherein the lower inner hole of the sealing body component 20 can be sleeved on the outer side surface of the upper ring of the sleeve component 30, and unlocking structures capable of being unlocked by one hand are arranged on the sealing body component 20 and the sleeve component 30.
A more typical implementation process of the unlocking structure capable of being unlocked by one hand is described as follows:
1. the sleeve part and the sealing body part are locked: the 3 blocking platforms 223 of the sealing seat 22 align with the slide ways 3211 of the 3 blocking grooves 321 of the duckbill cover 32 and are placed into the duckbill cover 32, and at this time, the limiting columns 221 are tightly attached to the limiting platform slide ways 3312; then, the sealing seat 22 is rotated clockwise, so that the clamping table 223 is clamped into the clamping groove 3212; meanwhile, the position-limiting column 221 extrudes the position-limiting table slideway 3312, so that the release button 33 is forced to deform and move inwards until the position-limiting column 221 exceeds the highest point 3313 of the position-limiting table 331; at this time, the pressing force applied to the release button 33 disappears and springs back to the original position, so that the stopper pin 221 is engaged in the stopper slot 3311, and the sleeve member 30 and the sealing body member 20 are locked.
2. Unlocking the sleeve component and the sealing body component: holding the sleeve assembly 30 with one hand, pressing the button 332 of the release button 33 inward with the thumb to move the release button 33 inward until the highest point 3313 of the position-limiting platform exceeds the position-limiting post 221, and then disengaging the position-limiting platform 331 from the position-limiting post 221; when the button 332 of the release button 33 is pressed, the unlocking slide 3331 of the unlocking block 333 extrudes the limiting post 221, so that the sealing seat 22 has counterclockwise rotation motion, the force of the limiting post 221 rotating over the highest point 3313 of the limiting table is increased, and the limiting post 221 and the limiting table 331 are disengaged more quickly; then, the index finger is used to dial the dial platform 222 counterclockwise, so that the seal holder 22 rotates counterclockwise until the detent platform 223 is completely disengaged from the detent groove 3212, at which time the cannula part 30 and the seal body part 20 are completely unlocked.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An unlocking structure capable of being unlocked by one hand, comprising:
a limit column (221), a toggle table (222) and a clamping table (223) which are arranged on a sealing seat (22) of the sealing body part (20);
the duck mouth unlocking device comprises a clamping groove (321) and an elastic release button (33) which are arranged on a duck mouth cover (32) of a sleeve part (30), wherein the release button (33) comprises a limiting table (331), a button (332) and an unlocking block (333), the limiting table (331) is provided with a limiting table clamping groove (3311) and a limiting table slideway (3312), and the unlocking block (333) is obliquely arranged on the button (332);
a gap passing through a limiting column (221) is formed between the limiting table (331) and the button (332) and the unlocking block (333), the limiting column (221) can enter a limiting table clamping groove (3311) along a limiting table sliding groove (3312) to form a locking state of the sealing body component (20) and the sleeve component (30), and can also be separated from the limiting table clamping groove (3311) under the pushing of the unlocking block (333) and return to the limiting table sliding groove (3312) to form an unlocking state of the sealing body component (20) and the sleeve component (30).
2. The unlocking structure capable of being unlocked by one hand according to claim 1, wherein 3 of the blocking platforms (223) are respectively arranged on the inner side surface of the inner hole at the lower part of the sealing seat (22); 3 clamping grooves (321) are respectively arranged on the outer side surface of the upper ring of the duckbill cover (32); the inner hole at the lower part of the sealing seat (22) is matched with the ring at the upper part of the duck mouth cover (32), and each clamping platform (223) is provided with a corresponding clamping groove (321).
3. The unlocking structure capable of unlocking with one hand according to claim 2, wherein the bottom of each of the locking grooves (321) is provided with a locking groove (3212) for locking the locking table (223).
4. The unlocking structure capable of unlocking with one hand according to claim 1, wherein the release button (33) comprises a limit stop (331), a button (332), an unlocking block (333), an elastic beam (334) and positioning sleeves (335), the limit stop (331), the button (332) and the unlocking block (333) are arranged in the middle of the elastic beam (334), and the two positioning sleeves (335) are respectively arranged at two ends of the elastic beam (334); the limiting table (331) is a herringbone boss, and the side surface of the limiting table is provided with a limiting table clamping groove (3311) and a limiting table slideway (3312) which are adjacent.
5. The unlocking structure capable of unlocking with one hand according to any one of claims 1 to 4, wherein the limit stop (331), the push button (332), the unlocking block (333), the elastic beam (334) and the positioning sleeve (335) of the release button (33) are integrally formed.
6. The unlocking structure which can be unlocked with one hand according to any one of claims 1 to 4, wherein the release button (33) is made of plastic.
7. A cannula assembly capable of being unlocked by one hand, which comprises a sealing body part (20) and a cannula part (30), wherein the lower inner hole of the sealing body part (20) can be sleeved on the outer side surface of the upper circular ring of the cannula part (30), and the sealing body part (20) and the cannula part (30) are provided with the unlocking structure capable of being unlocked by one hand according to any one of claims 1 to 6.
8. A puncture outfit capable of being unlocked by one hand, which is characterized by comprising a stopper component (10), a sealing body component (20) and a sleeve component (30), wherein the lower inner hole of the sealing body component (20) can be sleeved on the outer side surface of the upper circular ring of the sleeve component (30), and the sealing body component (20) and the sleeve component (30) are provided with the unlocking structure capable of being unlocked by one hand according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122821021.8U CN216675858U (en) | 2021-11-17 | 2021-11-17 | Unlocking structure capable of being unlocked by one hand, cannula assembly and puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122821021.8U CN216675858U (en) | 2021-11-17 | 2021-11-17 | Unlocking structure capable of being unlocked by one hand, cannula assembly and puncture outfit |
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| CN216675858U true CN216675858U (en) | 2022-06-07 |
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| CN202122821021.8U Active CN216675858U (en) | 2021-11-17 | 2021-11-17 | Unlocking structure capable of being unlocked by one hand, cannula assembly and puncture outfit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023088101A1 (en) * | 2021-11-17 | 2023-05-25 | 上海质昱医疗器械有限公司 | Unlocking structure capable of being unlocked with one hand, sleeve assembly, and puncture device |
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2021
- 2021-11-17 CN CN202122821021.8U patent/CN216675858U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023088101A1 (en) * | 2021-11-17 | 2023-05-25 | 上海质昱医疗器械有限公司 | Unlocking structure capable of being unlocked with one hand, sleeve assembly, and puncture device |
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