CN213465132U - Internal tissue extraction device - Google Patents
Internal tissue extraction device Download PDFInfo
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- CN213465132U CN213465132U CN202021759756.1U CN202021759756U CN213465132U CN 213465132 U CN213465132 U CN 213465132U CN 202021759756 U CN202021759756 U CN 202021759756U CN 213465132 U CN213465132 U CN 213465132U
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Abstract
The utility model provides an internal tissue remove device, its characterized in that: the in vivo tissue taking-out device comprises a hollow body, a body outlet is formed in one end of the head of the body, a movable slide bar is arranged in the hollow body, one end, close to the body outlet, of the slide bar is connected with a taking-out part, and a sliding groove used for controlling the slide bar to move back and forth along the direction of the body outlet is formed in the body. The utility model provides a excision tissue extractor length that prior art exists can not be adjusted, uses the flexible bag can be to the limited problem of internal extending distance.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an internal tissue remove device.
Background
In the prior art, particularly in minimally invasive surgery, in order to safely remove large biological tissues removed by surgery through a small incision, doctors generally use a special excised tissue extractor (such as a minimally invasive surgery excised tissue extractor), and the conventional excised tissue extractor includes a flexible bag whose mouth is opened by memory metal, the flexible bag is installed at one end of the excised tissue extractor, and the doctor holds the other end of the excised tissue extractor to extract the excised tissue by using the excised tissue extractor.
However, existing resected tissue extractors are not adjustable in length and the flexible bag is limited in the distance it can extend into the body during use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an internal tissue extraction device, mainly solve the excision tissue extractor length unadjustable that above-mentioned prior art exists, use flexible bag can be to the limited problem of internal extending distance, and an internal tissue extraction device that provides.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: an in vivo tissue retrieval device, comprising: the in vivo tissue taking-out device comprises a hollow body, a body outlet is formed in one end of the head of the body, a movable slide bar is arranged in the hollow body, one end, close to the body outlet, of the slide bar is connected with a taking-out part, and a sliding groove used for controlling the slide bar to move back and forth along the direction of the body outlet is formed in the body.
Furthermore, the hollow part in the body is also provided with an elastic part, and the other end of the slide rod is connected with the inside of the body through the elastic part.
Furthermore, one end of the tail part of the body is a hollow handle part, and the sliding groove is close to the handle part; the elastic part is positioned in the handle part and is simultaneously connected with the bottom of the handle part and the other end of the sliding rod.
Further, the afterbody one end of body is hollow handle portion, the spout is close to handle portion, and the body inside between spout and the body export is equipped with the stop portion, and the other end of elastic component connection stop portion and slide bar.
Further, the body is a hollow pipe body; the spout is two, and two spouts all are parallel with the body axis and both position symmetry.
Furthermore, the other end of the slide bar is provided with a pinching part which drives the slide bar to move.
Furthermore, the two pinching parts are respectively and rotatably connected with the other end of the sliding rod, and the two pinching parts respectively correspond to one sliding groove.
Furthermore, the sliding groove is provided with at least one fixing position for clamping and fixing the sliding rod.
Further, the elastic part is a spring; the taking-out part is a deformable elastic taking-out bag; the fixed positions are three clamping grooves which are respectively positioned in the middle of the sliding groove and at two ends of the sliding groove.
Further, the outer surface of the handle part is provided with an anti-skid part.
In view of the above technical features, the utility model discloses following beneficial effect has:
the utility model discloses an internal tissue remove device, through slide bar mobility control extraction portion (being flexible bag) protrusion distance, indirectly realize internal tissue remove device's length (being the distance length of handle portion to extraction portion promptly) adjustable function, the flexible bag that uses can not be limited to internal extending distance, can adjust by oneself through the slide bar according to actual conditions, use under the suitable different situation (application scope is wider promptly), especially use under the condition that has different requirements to flexible bag extension distance in stretching into.
Drawings
FIG. 1 is a perspective view of an intracorporeal tissue extraction device in example 1 (spring compressed and extraction site inside body).
FIG. 2 is a disassembled perspective view of the respective members (not including the taking-out part) of the in-vivo tissue taking-out device according to example 1.
FIG. 3 is a disassembled front view of respective parts (without a taking-out part) of an in-vivo tissue taking-out device according to example 2.
FIG. 4 is a perspective view of an intracorporeal tissue extraction device in example 2 (spring stretched and extraction part extended out of the body).
In the figure: 1 is a body; 1-1 is the head of the body; 1-2 is the tail part of the body; 1-3 is the outlet of the body; 2 is a slide bar; 2-1 is one end of a sliding rod; 2-2 is the other end of the slide bar; 2-3 is a pinching part;
3 is a take-out part; 3-1 is a connecting rod; 3-2 is a pocket ring; 3-3 is a bag body;
4 is a chute; 4-1 is a first chute; 4-2 is a second chute; 4-3 are clamping grooves;
5 is a handle part; 5-1 is an antiskid part;
and 6 is a spring.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Referring to fig. 1 to 4, embodiment 1, this embodiment 1 provides an intracorporeal tissue extraction device, characterized in that: the in vivo tissue taking-out device comprises a hollow body 1, a body outlet 1-3 is formed in one end of a head 1-1 of the body, a movable slide rod 2 is arranged in the hollow part of the body 1, one end 2-1, close to the body outlet 1-3, of the slide rod 2 is connected with a taking-out part 3, and a sliding groove 4 used for controlling the slide rod 2 to move back and forth along the direction of the body outlet 1-3 is formed in the body 1.
Preferably, the body 1 is a hollow tube body, so that the sliding rod 2 can slide in the body, and meanwhile, the body 1 has the smallest volume, so that the operation of taking out the cut biological tissue can be completed conveniently when the in-vivo tissue taking-out device stretches into a narrow space in a human body (or in other animal bodies).
The slide bar 2 is preferably a long round bar (which can be hollow, the weight of the slide bar 2 is reduced, the use is lighter, and can also be solid, the solid bar is firmer) and is used for driving the taking-out part 3 to move, namely, the taking-out part 3 is driven to extend out of the outlet 1-3 of the body, so that the taking-out part 3 can be conveniently extended into the body, and related tissues (such as biological tissues cut after an operation) can be taken out through the taking-out part 3; or the taking-out part 3 is driven to retract into the outlet 1-3 of the body, and the taking-out part 3 is arranged in the hollow inner part of the body, so that the taking-out part 3 is well protected in a non-use state, and accidental damage is prevented.
The extraction part 3 is preferably a deformable elastic extraction bag which can be directly connected to the end 2-1 of the slide bar 2 close to the body outlet 1-3, or indirectly connected to the end 2-1 of the slide bar 2 close to the body outlet 1-3 via a connecting bar 3-1, the length of the connecting bar 3-1 can be selected to be different, the longer the connecting bar 1-3 is, the further the extraction part 3 can be extended away from the body outlet 1-3, i.e. the longer the length of the whole body tissue extraction device can be extended. The elastic taking-out bag is preferably made of memory alloy, the bag opening ring 3-2 is made of a bag body 3-3, for example, the bag body can be made of a PE film, so that the whole elastic taking-out bag has elasticity, when the body tissue taking-out device is not used, the elastic taking-out bag is conveniently folded (i.e. compressed) and then put into the hollow part of the body, when the body tissue taking-out device is used, the elastic taking-out bag extends out of the hollow part of the body (i.e. extends out of the body outlet 1-3), and then the elastic taking-out bag is restored to be.
The sliding groove 4 is used for controlling the sliding rod 2 to move through the sliding groove 4 by a user, and indirectly controls the extension or contraction of the taking-out part 3 and the distance of the taking-out part 3 extending out of the body (namely, the distance between the handle part 5 of the in-vivo tissue taking-out device and the taking-out part 3 is controlled in a phase-changing manner). The number of the sliding grooves 4 may be one or two, in this embodiment 1, preferably, the number of the sliding grooves 4 is two, and both the two sliding grooves 4 are parallel to the axis of the body 1 and are symmetrical in position. The two sliding grooves 4 are symmetrical in position, that is, the two sliding grooves 4 are symmetrical up and down (for example, the first sliding groove 4-1 and the second sliding groove 4-2 in the drawings) or symmetrical back and forth or arranged correspondingly in two directions of the four directions, and the view of the in-vivo tissue extraction device in the view of fig. 3 is taken as a reference. The 4 symmetries of spout, the convenient 2 removal of follow two directions synchronous control slide bar (being convenient for simultaneously to slide bar 2 application of force from two directions promptly, slide bar 2 removes more stably), through controlling distance between slide bar 2 and the body cavity inside, effectively reduces the frictional force between slide bar 2 and the body cavity inside at slide bar 2 removal in-process, and it is more convenient that the internal tissue remove device uses.
The other end 2-2 of the slide bar is provided with a pinching part 2-3 which drives the slide bar 2 to move. Preferably, the two pinching parts 2-3 are respectively and rotatably connected with the other end 2-2 of the sliding rod, and the two pinching parts 2-3 respectively correspond to one sliding chute 4. For example, the clamping part 2-3 can be rotatably connected with the other end 2-2 of the sliding rod through a threaded structure, and the distance between the clamping part 2-3 and the other end 2-2 of the sliding rod can be adjusted, so that the distance between the sliding rod 2 and the hollow interior of the body is further stabilized, and the friction force between the sliding rod and the hollow interior of the body is reduced; when the two pinching parts 2-3 are screwed simultaneously and then abut against the corresponding sliding grooves 4, the sliding rod 2 can be prevented from moving in the vertical direction (assuming that the axis of the body is horizontal and the moving direction of the sliding rod 2 is horizontal), and particularly after the sliding rod extends out and is fixed in position, the situation that the operation and the effect of taking out the internal tissues of the taking-out part 5 are influenced because the taking-out part 5 vibrates or moves up and down due to unnecessary movement of the sliding rod in the vertical direction in the process of taking out the internal tissues of the taking-out part 5 can be avoided.
An elastic part is further arranged in the hollow part in the body 1, the other end 2-2 of the sliding rod is connected with the inside of the body 1 through the elastic part, and the end face of the inner side of the tail part of the body is optimized in the body 1.
One end of the tail part 1-2 of the body is a hollow handle part 5, and the sliding groove 4 is close to the handle part 5; the elastic part is positioned in the handle part 5 and is simultaneously connected with the bottom of the handle part 5 (namely the end surface of the inner side of the tail part of the body) and the other end 2-2 of the sliding rod.
The sliding groove 4 is provided with at least one fixing position for clamping and fixing the sliding rod 2. In this embodiment, the fixing positions are three slots 4-3 respectively located in the middle of the sliding slot 4 and at two ends of the sliding slot 4 (i.e. one end close to the head portion 1-1 of the body and one end close to the handle portion 5).
The elastic part is a spring 6, when the in-vivo tissue taking-out device is not used, the slide rod 2 compresses the spring 6 to the inside of the handle part 5, the pinching part 2-3 moves to one end of the sliding groove 4 close to the handle part 5 (if necessary, the pinching part 2-3 can be clamped with the pinching part 2-3 through the clamping groove 4-3 at the position to help the slide rod 2 to be clamped and fixed in position (namely locked state), so that the slide rod 2 is prevented from unnecessary horizontal movement, meanwhile, the pinching part 2-3 can be screwed to further stabilize and fix the slide rod 2 in the vertical direction, so that the slide rod 2 and the hollow interior of the body are prevented from unnecessary collision, and at the moment, the slide rod 2 drives the taking-out part 5 to; when the in-vivo tissue taking-out device needs to be used, the pinching parts 2-3 are unscrewed, the sliding rod 2 is moved through the pinching parts 2-3, the taking-out part 5 is driven by the sliding rod 2 to extend out of the outlet 1-3 of the body to a specified distance, then a user holds the handle part 5, the in-vivo tissue taking-out device is controlled to move and extend into the body, the taking-out part 5 is indirectly controlled to put target biological tissues into the bag body, and then the in-vivo tissue taking-out device is moved out of the body until the taking-out part 5 is moved out of the body, so that the purpose of taking.
The anti-skidding part 5-1 is arranged on the outer surface of the handle part 5, so that when a user grips the handle part 5, friction force is increased, and accidental skidding is prevented to further influence the operation of taking out the internal tissues.
Before the in vivo tissue taking-out device is used, firstly, the spring 6 is placed in the hollow interior of the body through the sliding chute 4 or the outlet 1-3 of the body, the spring 6 moves into the handle part 5, secondly, the sliding rod 2 is inserted into the hollow interior of the body from the outlet 1-3 of the body until the other end 2-2 of the sliding rod abuts against the spring 6 (namely, the other end 2-2 of the sliding rod is inserted into the outlet 1-3 of the body firstly, and meanwhile, one end 2-1 of the sliding rod is connected with the taking-out part 3), and then, the two pinching parts 2-3 are respectively in threaded connection with the other end 2-2 of the sliding; and then the taking-out part 5 is wound tightly into a long strip shape, the long strip-shaped taking-out part is contracted into the hollow interior of the body through the outlet 1-3 of the body along with the movement of the slide bar 2 to the handle part 5, meanwhile, the other end 2-2 of the slide bar compresses the spring 6 until the spring is completely compressed into the handle part 5, at the moment, the other end 2-2 of the slide bar also reaches one end of the sliding groove 4 close to the handle part 5, at the moment, the pinching part 2-3 can be clamped in the corresponding clamping groove 4-3 to help to fix the position of the slide bar 2 at the moment, and at the moment, the contraction state of. When the device is used, the pinching parts 2-3 are unscrewed, the sliding rod 2 moves axially along the body towards the outlet direction of the body under the action force of the spring 6, a user can control the moving distance of the sliding rod 2 through the pinching parts, indirectly control the state and the extending distance of the taking-out part 5 extending out of the outlet of the body, and clamp the pinching parts 2-3 and the corresponding clamping grooves 4-3 to fix the position of the sliding rod 2 until the taking-out part 3 extends out for a proper distance, and then further fix the vertical position of the sliding rod 2 by screwing the pinching parts 2-3. At the moment, the spring 6 is used for actively pushing the sliding rod 2 to move, so that the use is more convenient and labor-saving.
The spring 6 is used for providing a certain resistance to the sliding rod 2 in the moving process of the sliding rod 2 (namely, the sliding rod 2 is in a relaxed state or a compressed state when being closest to the handle part 5), and especially when the distance of the taking-out part 5 extending out of the outlet of the body needs to be adjusted in vivo, the moving speed of the sliding rod 2 and the extending speed of the taking-out part are more uniform and slower, and other tissues in the body are prevented from being injured. Or the spring 6 is used for providing a certain pulling force for the sliding rod 2 in the moving process of the sliding rod 2 (namely, the sliding rod 2 is in a stretching state when being closest to the handle part 5), and actively pushing the sliding rod 2 to move, so that the use is more convenient and labor-saving.
At this time, the slide rod 2 may be selected to penetrate the middle shaft portion of the spring 6, the spring may be selected to be closely attached to the outer surface of the slide rod 2, or even a plurality of springs 6 may be selected to be closely attached to the outer surface of the slide rod 2, as long as the function of the spring 6 in the embodiment 2 is achieved.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. An in vivo tissue retrieval device, comprising: the in vivo tissue taking-out device comprises a hollow body (1), a body outlet (1-3) is formed in one end of a body head (1-1), a movable slide rod (2) is arranged in the hollow portion in the body (1), one end (2-1) of the slide rod (2) close to the body outlet (1-3) is connected with a taking-out portion (3), and a sliding groove (4) used for controlling the slide rod (2) to move back and forth along the direction of the body outlet (1-3) is formed in the body (1).
2. An intracorporeal tissue extraction device according to claim 1, wherein: the hollow part in the body (1) is also provided with an elastic part, and the other end (2-2) of the slide bar is connected with the inside of the body (1) through the elastic part.
3. An intracorporeal tissue extraction device according to claim 2, wherein: one end of the tail part (1-2) of the body is a hollow handle part (5), and the sliding groove (4) is close to the handle part (5); the elastic part is positioned in the handle part (5) and is simultaneously connected with the bottom of the handle part (5) and the other end (2-2) of the sliding rod.
4. An intracorporeal tissue extraction device according to claim 2, wherein: one end of the tail part (1-2) of the body is a hollow handle part (5), the sliding groove (4) is close to the handle part (5), a stop part is arranged inside the body (1) between the sliding groove (4) and the outlet (1-3) of the body, and the elastic part is connected with the stop part and the other end (2-2) of the sliding rod.
5. An intracorporeal tissue extraction device according to any one of claims 3 to 4, wherein: the body (1) is a hollow pipe body; the two sliding grooves (4) are parallel to the axis of the body (1) and are symmetrical to each other.
6. An intracorporeal tissue extraction device according to claim 5, wherein: the other end (2-2) of the slide bar is provided with a pinching part (2-3) which drives the slide bar (2) to move.
7. An intracorporeal tissue extraction device according to claim 6, wherein: the two pinching parts (2-3) are respectively and rotatably connected with the other end (2-2) of the sliding rod, and the two pinching parts (2-3) respectively correspond to one sliding groove (4).
8. An intracorporeal tissue extraction device according to claim 7, wherein: the sliding groove (4) is provided with at least one fixing position for clamping and fixing the sliding rod (2).
9. An intracorporeal tissue extraction device according to claim 8, wherein: the elastic part is a spring (6); the taking-out part (3) is a deformable elastic taking-out bag; the fixed positions are three clamping grooves (4-3) which are respectively positioned in the middle of the sliding groove (4) and at two ends of the sliding groove (4).
10. An intracorporeal tissue extraction device according to claim 9, wherein: the outer surface of the handle part (5) is provided with an anti-skid part (5-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759756.1U CN213465132U (en) | 2020-08-21 | 2020-08-21 | Internal tissue extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759756.1U CN213465132U (en) | 2020-08-21 | 2020-08-21 | Internal tissue extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213465132U true CN213465132U (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021759756.1U Active CN213465132U (en) | 2020-08-21 | 2020-08-21 | Internal tissue extraction device |
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|---|---|
| CN (1) | CN213465132U (en) |
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- 2020-08-21 CN CN202021759756.1U patent/CN213465132U/en active Active
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