CN215227976U - Pneumoperitoneum needle clamping device - Google Patents
Pneumoperitoneum needle clamping device Download PDFInfo
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- CN215227976U CN215227976U CN202121043808.XU CN202121043808U CN215227976U CN 215227976 U CN215227976 U CN 215227976U CN 202121043808 U CN202121043808 U CN 202121043808U CN 215227976 U CN215227976 U CN 215227976U
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- needle
- indicator
- pneumoperitoneum
- clamping
- pneumoperitoneum needle
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Abstract
The utility model discloses a pneumoperitoneum needle clamping device, wherein the pneumoperitoneum needle comprises a needle point and a needle tube, and the pneumoperitoneum needle clamping device comprises an indicating piece; and the centre gripping subassembly, the centre gripping subassembly includes two holders that the rotation of each other connects, the holder includes operation portion and clamping part, the operation portion is used for the drive the clamping part centre gripping or release the needle point, indicator slidable connect in one the operation portion of holder, follow on the operation portion the slip path of indicator is equipped with the scale mark, the scale mark is used for the reaction the displacement distance of indicator, the needle tubing can contact the indicator, the indicator is in follow under the promotion of needle tubing the operation portion slides, the indicator with the scale mark cooperation is in order to react the propulsion distance of needle tubing. The utility model discloses technical scheme can control the puncture depth of pneumoperitoneum needle to reduce the accidental injury that uses among the pneumoperitoneum needle operation process.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to pneumoperitoneum needle clamping device.
Background
In laparoscopic surgery operation, need to use disposable pneumoperitoneum needle, the pneumoperitoneum needle adopts the stainless steel pipe as the pjncture needle, and the needle tubing surface is smooth, and in the puncture process, the operator feels the puncture process of confirming entirely, and in the puncture process, the difficult control puncture depth is extremely easy to cause the accidental injury. It is well documented that in laparoscopic surgery, only accidental injury is accounted for by 74% of pneumoperitoneum needle stick injuries, and therefore avoiding unnecessary injuries to the patient by using pneumoperitoneum is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a pneumoperitoneum needle clamping device, aiming at accurately controlling the puncture distance of the pneumoperitoneum needle.
In order to achieve the above object, the pneumoperitoneum needle clamping device provided by the utility model comprises an indicating piece; and
the centre gripping subassembly, the centre gripping subassembly includes two holders that the rotation of each other connects, the holder includes operation portion and clamping part, the operation portion is used for the drive the clamping part centre gripping or release the needle point, indicator slidable connect in one the operation portion of holder, follow on the operation portion the slip path of indicator is equipped with the scale mark, the scale mark is used for the reaction the displacement distance of indicator, the needle tubing can contact the indicator, the indicator is in follow under the promotion of needle tubing the operation portion slides, the indicator with the scale mark cooperation is in order to react the propulsion distance of needle tubing.
Optionally, the indicator includes a sliding portion and an abutting portion connected to the sliding portion, the abutting portion is configured to contact the needle tube, the operating portion of the clamping member is provided with an installation portion, and the sliding portion is slidably connected to the installation portion of the clamping member.
Optionally, the abutting portion is provided with a clamping groove for placing the needle tip.
Optionally, one of the sliding part and the mounting part is provided with a sliding rail, the other of the sliding part and the mounting part is provided with a mounting opening, and the sliding rail is slidably embedded in the mounting opening.
Optionally, the cross section of the sliding rail is in a T shape, and the shape of the mounting opening is matched with the cross section of the sliding rail.
Optionally, both of the clamping members are provided with the mounting portion.
Optionally, a rotary joint is formed between the operating part and the clamping part by the two clamping pieces.
Optionally, the clamping parts of the two clamping pieces are respectively provided with a through groove with an opening matched with the outer contour of the needle point, and the through grooves of the two clamping pieces are matched to clamp and fix the needle point.
Optionally, one end of the clamping part, which is far away from the operating part, is a plane.
Optionally, a holding portion is arranged on a side of the operating portion, which slides away from the indicating member, and the holding portion is used for driving the operating portion to enable the holding portion to hold or release the needle tip.
The technical scheme of the utility model is that two clamping pieces are adopted, one end of the clamping piece is provided with a clamping part for clamping and fixing the needle point of the pneumoperitoneum needle, the other end of the clamping piece is provided with an operation part for the convenience of the operation of a user, and the operation part can drive the clamping piece and lead the clamping part to fix the needle point of the pneumoperitoneum needle; the indicator is movably arranged on the operating part of the clamping piece, and the holding piece is provided with scale marks for reflecting the moving distance of the indicator, so that the moving distance of the needle point of the pneumoperitoneum needle through the clamping piece can be quantized, the puncture distance of a user during puncture operation is controllable, and accidental injury is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of the veress needle clamping device of the present invention when clamping a veress needle;
FIG. 2 is a schematic perspective view of the needle holder of FIG. 1 without the needle holder;
FIG. 3 is an exploded view of the pneumoperitoneum needle clamping device of FIG. 2 without clamping the pneumoperitoneum needle;
FIG. 4 is a schematic perspective view of the pneumoperitoneum needle clamping device of FIG. 2 shown without the pneumoperitoneum needle clamped therein, with a portion of the clamping member removed, and with the mating mounting structure exposed;
FIG. 5 is a schematic perspective view of the middle slider of the pneumoperitoneum needle clamping device of FIG. 2 without clamping the pneumoperitoneum needle;
the reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 5 | Pneumoperitoneum |
315 | |
| 1 | |
316 | |
| 11 | |
317 | Through |
| 12 | |
318 | |
| 2 | Indicator piece | 32 | Rotating |
| 21 | Sliding |
321 | |
| 22 | Abutting |
33 | |
| 3 | |
34 | Connecting |
| 31 | Clamping piece | 35 | |
| 311 | |
36 | |
| 312 | Clamping |
4 | |
| 313 | |
||
| 314 | Mounting part |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a pneumoperitoneum needle holding device 55, wherein the pneumoperitoneum needle 1 comprises a needle tip 11 and a needle tube 12. In an embodiment of the present invention, the pneumoperitoneum needle holding device 55 includes: an indicator 2; and the clamping component 3, the clamping component 3 includes two clamping pieces 31 that mutual rotation connects, the clamping piece 31 includes operation portion 311 and clamping portion 312, operation portion 311 is used for driving clamping portion 312 centre gripping or release needle point 11, indicator 2 slidable connect in one the operation portion 311 of clamping piece 31, follow on the operation portion 311 the slip path of indicator 2 is equipped with scale mark 313, scale mark 313 is used for reacting the displacement distance of indicator 2, needle tubing 12 can contact indicator 2, indicator 2 is in the promotion of needle tubing 12 is followed operation portion 311 slides, indicator 2 with scale mark 313 cooperates with the reaction the propulsion distance of needle tubing 12.
The pneumoperitoneum needle 1 is a clinical medical instrument used for abdominal puncture, and has a diameter of 2mm generally and lengths of 80mm, 120mm, 150mm and other different specifications. The two clamping pieces 31 can be in the shape of a forceps for clamping and fixing the veress needle 1, and the operation process during use is as follows: opening the two clamps to open the heads of the clamps, penetrating the pneumoperitoneum needle 1, placing the other end of the pneumoperitoneum needle 1 on the sliding assembly, moving the sliding piece to a desired distance, namely the distance moved by the sliding piece along the clamping piece 31, such as the distance indicated by two or three scale marks 313, namely the distance from the needle point 11 of the pneumoperitoneum needle 1 to the heads of the clamps, clamping the left clamp and the right clamp to fix the pneumoperitoneum needle 1, and performing insertion operation on the operation hand clamps, so that the insertion distance can be controlled, and accidental injury is avoided; certainly, the clamping members 31 can be in other shapes, for example, the clamping members 31 can be tubular, that is, the two clamping members 31 are tubular after being clamped and combined, one end of the tubular assembly is provided with a clamping part 312 which can clamp the veress needle 1, one side of the other end which surrounds the composite tube is provided with the indicating member 2, and the two tubular connecting modes can be that the connecting line is on the side or the bottom; the clamping member 31 can also be semi-tubular, that is, the single clamping member 31 is 1/4 tubular, and the length of the operating portion 311 is greater than that of the clamping portion 312, it can be understood that the clamping portion 312 functions as a clamping passage, the distance that the pneumoperitoneum needle 1 extends out of the clamping portion 312 is reflected by the moving distance of the indicating member 2 on the operating portion 311, the scale mark 313 can be marked or painted or in other ways, the minimum unit of the scale distance is MM, and the maximum moving distance is determined by the length specification of the pneumoperitoneum needle 1, therefore, it can be understood that as long as the clamping member 31 can be provided with a member for clamping, and the indicating member 2 which can reflect the moving distance is provided on the clamping member 31, the distance for inserting the pneumoperitoneum needle 1 can be controlled, and the situation of avoiding accidental injury can be achieved, and will not be described in detail herein.
According to the technical scheme of the utility model, two clamping pieces 31 are adopted, one end of each clamping piece 31 is provided with a clamping part 312 for clamping and fixing the needle point 11 of the veress needle 1, the other end of each clamping piece 31 is provided with an operation part 311 for the convenience of operation of a user, and the operation part 311 can drive the clamping pieces 31 and enable the clamping parts 312 to fix the needle point 11 of the veress needle 1; the indicator 2 is movably arranged on the operating part 311 of the clamping piece 31, and the holding piece is provided with the scale mark 313 for reflecting the moving distance of the indicator 2, so that the moving distance of the needle point 11 of the pneumoperitoneum needle 1 through the clamping piece 31 can be quantified, the puncture distance of a user during puncture operation can be controlled, and accidental injury can be avoided.
Further, in order to conveniently place the verso needle 1 and enable the indicator 2 to accurately reflect the extending distance of the verso needle 1, as shown in fig. 1 and 2, the indicator 2 includes a sliding portion 21 and an abutting portion 22 connected to the sliding portion 21, the abutting portion 22 is used for contacting the needle tube 12, the operating portion 311 of the clamping member 31 is provided with a mounting portion 314, and the sliding portion 21 is slidably connected to the mounting portion 314 of the clamping member 31. When one end of the pneumoperitoneum needle 1 is located at the clamping part 312, the other end of the pneumoperitoneum needle 1 is in a suspended state, although the sliding part 21 can be moved to the scale mark 313 which is aligned with the distance between the tip of the pneumoperitoneum needle 1 and the needle tube 12, the length of the pneumoperitoneum needle 1 ensures that the suspended needle tip 11 and the needle tube 12 are not at risk of bending and deforming of the stress point, therefore, the abutting part 22 is provided to facilitate the placement of the pneumoperitoneum needle 1 and avoid deformation of the stress part, and to facilitate the movement distance of the time when the pneumoperitoneum needle 1 is aligned, namely, the indicator 2 can be moved to the scale mark 313 distance first, in this embodiment, one end of the sliding part 21 corresponds to the scale mark 313, the difference between the sliding part 21 before and after the movement of the scale mark 313 is the movement distance, and no generality is lost, if the tail end of the clamping part is 0mm, the sliding part moves 3 grids corresponding to one end, the moving distance at this time was 30 mm. Then place gas abdominal needle 1 on clamping part 312 and butt portion 22, it can to press from both sides tightly after butt portion 22 is contacted to the needle tubing 12 of gas abdominal needle 1, also can place gas abdominal needle 1 in clamping part 312 other end and place and push gas abdominal needle 1 at butt portion 22 and make needle tubing 12 part contact butt portion 22, drive indicator 2 to the scale distance of required removal, if 30mm, then press from both sides tight clamping part 312 can, easy operation is swift.
Further, in order to make the contact between the abutting portion 22 and the veress needle 1 more stable, the abutting portion 22 is provided with a notch (not shown) for placing the needle tip 11. The draw-in groove can be a breach, and this breach is a straight line with the line of the centre gripping department of clamping part 312, so, when clamping part 312 centre gripping during needle point 11 one end of pneumoperitoneum needle 1, the two level collineation in the breach can be located to the other end of needle point 11, prevents that the other end of centre gripping pneumoperitoneum needle 1 from rocking to can also set up the strengthening rib between sliding part 21 and the butt portion 22, with the intensity of strengthening the junction, prevent to split.
Further, in order to ensure the stability of the sliding of the indicator 2 and avoid the situation of disengaging from the clamping member 31, as shown in fig. 3 and 4, one of the sliding portion 21 and the mounting portion 314 is provided with a sliding rail 315, and the other of the sliding portion and the mounting portion 314 is provided with a mounting opening 316, and the sliding rail 315 is slidably embedded in the mounting opening 316. In one case, the sliding rail 315 can be a pulley, two rails, in another case, the sliding rail 315 can also be a steel ball sliding rail, which can ensure smooth pushing and pulling and has large bearing capacity, and such a sliding rail can have a buffering closing or pressing rebound opening function. In another case, the sliding rail 315 can also be a gear sliding rail, and a gear structure is used to make the sliding rail very smooth and synchronous, the sliding rail 315 is engaged with the mounting opening 316 to avoid disengagement, and the sliding rail 315 can also move relatively along the mounting opening 316 to facilitate distance adjustment. It will be appreciated that the mounting portion may be in the form of a track 315 as shown in fig. 4, or may be in the form of a mounting opening 316 as shown in fig. 4.
Specifically, in order to facilitate the assembly to be firm and stable, the cross-sectional shape of the sliding rail 315 is T-shaped, and the shape of the mounting opening 316 is matched with the cross-sectional shape of the sliding rail 315, as shown in fig. 4 and 5. It can be understood that the sliding rail 315 made into the shape of the T-groove can prevent the mounting port 316 from sliding out, the shape of the sliding rail 315 can be understood as the shape of the rail of the train, i.e. the shape with the same width at the top and the bottom and the slightly narrower middle, like the shape of the Chinese character 'i', the rail with the shape is stable and reliable, and the sliding rail 315 and the mounting port 316 which are matched by adopting the structure have the effect of stability and difficult separation.
Further, in order to facilitate the usage habit of the user and the replacement, referring to fig. 1 to 5, both of the clamping members 31 are provided with the mounting portions 314. The installation parts 314 are arranged on the two sides of the clamping piece 31, so that on one hand, the operation habit of an operator can be matched to enable the clamping piece to be used more conveniently, and on the other hand, when the installation part 314 on one side is damaged, the installation part can be replaced to the other side with high practicability.
Further, in order to facilitate the clamping of the veress needle 1, as shown in fig. 3, a rotary joint is formed between the operating portion 311 and the clamping portion 312 of the two clamping members 31. Defining the direction parallel to the operation part 311 as a first direction, the direction perpendicular to the first direction as a second direction, the clamping member has an operation section 33 arranged in the first direction and a connection section 34 connected with the operation section 33, the connection section 34 is bent, i.e. the middle part of the connection section 34 is parallel to the second direction and perpendicular to the first direction, two ends of the connection section 34 are parallel to the second direction, the first direction is perpendicular to the second direction, the other end of the connection section 34 is connected with the clamping part, the two clamping members 31 are connected at the connection section 34 by riveting through a rotating shaft 35, i.e. through crossing arrangement such as a clamp or a scissors type, and a groove 321 is formed between the connection section 34 and the operation part, i.e. the height of the clamping part and the operation part is larger than that of the connection section 34, i.e. the connection section 34 is recessed between the operation part and the clamping part, the connection section 34 is provided with a rotating shaft 35, the other connection section 34 is correspondingly provided with a mounting hole 36, the two connection sections 34 are mutually embedded through the groove 321, make the cooperation of two connecting pieces more stable, the effect of centre gripping is better, recess 321 also can play spacing effect in addition, avoid the clamping part to open a mouthful too big operation portion that leads to not good assurance, influence operation, the pneumoperitoneum needle clamping device that so forms is convenient for the application of force on the one hand and presss from both sides tight pneumoperitoneum needle 1 and releases pneumoperitoneum needle 1, another convenience should form the lever for operation section 33 and centre gripping section at the junction, and operation section 33 length is greater than the length of linkage segment 34, so make and just can the fixed pneumoperitoneum needle 1 of centre gripping of less power of need.
Further, in order to improve the clamping effect and not affect the veress needle 1, as shown in the figure, the clamping portions 312 of the two clamping members 31 are respectively provided with a through groove 317 with an opening matched with the outer contour of the needle point 11, and the through grooves 317 of the two clamping members 31 are matched to clamp and fix the needle point 11. The needle point 11 of pneumoperitoneum needle 1 is cylindric, and the logical groove 317 of the outer profile of clamping part 312 adaptation needle point 11 for under the circumstances of not exerting external force, pneumoperitoneum needle 1 can remove along the passageway of the through-hole that leads to the groove 317 lock formation, treats to remove to need apart from the back grip strength centre gripping, because the cooperation of through-hole and pneumoperitoneum needle 1 shape, and the holder 31 gives power evenly, avoids pneumoperitoneum needle 1 centre gripping to warp.
Specifically, for convenience of viewing during operation, referring to fig. 3 and 4, an end of the clamping portion 312 away from the operation portion 311 is a flat surface 318. The end faces of the first clamping part 312 and the second clamping part 312 are arranged as a plane 318, and the plane 318 at the bottom end ensures that the clamping piece 31 has a larger contact area after abutting against the skin of a patient, so that the operator can observe the clamping piece conveniently.
Further, in order to operate the holding member 31, referring to fig. 1, 2, 3 and 4, a holding portion 4 is provided on a side of the operating portion 311 away from the indicator 2, and the holding portion 4 is used for driving the operating portion 311 to cause the holding portion 312 to hold or release the needlepoint 11. The grip portion can be in various forms, such as hammer shape, stick shape with raised anti-slip, ring shape, etc., in this embodiment, the clamping member 31 is in a ring shape, such as a scissors-grip ring shape, so that the grip portion 4 can be conveniently held by the operator to drive the clamping member 31, and the grip portion can be conveniently held by the operator to operate.
The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A pneumoperitoneum needle clamping device, wherein the pneumoperitoneum needle includes needle point and needle tubing, its characterized in that, pneumoperitoneum needle clamping device includes:
an indicator; and
the centre gripping subassembly, the centre gripping subassembly includes two holders that the rotation of each other connects, the holder includes operation portion and clamping part, the operation portion is used for the drive the clamping part centre gripping or release the needle point, indicator slidable connect in one the operation portion of holder, follow on the operation portion the slip path of indicator is equipped with the scale mark, the scale mark is used for the reaction the displacement distance of indicator, the needle tubing can contact the indicator, the indicator is in follow under the promotion of needle tubing the operation portion slides, the indicator with the scale mark cooperation is in order to react the propulsion distance of needle tubing.
2. The pneumoperitoneum needle clamp device according to claim 1, wherein the indicator comprises a sliding portion and an abutting portion connected to the sliding portion, the abutting portion being adapted to contact the needle tube, the operating portion of the clamp being provided with a mounting portion, the sliding portion being slidably connected to the mounting portion of the clamp.
3. The pneumoperitoneum needle holding device according to claim 2, wherein said abutment is provided with a notch for placement of said needle tip.
4. The pneumoperitoneum needle holding device according to claim 2, wherein one of the sliding portion and the mounting portion is provided with a slide rail, and the other of the sliding portion and the mounting portion is provided with a mounting opening, and the slide rail is slidably fitted in the mounting opening.
5. The pneumoperitoneum needle holding device according to claim 4, wherein the cross-sectional shape of the sliding rail is T-shaped, and the shape of the mounting opening is adapted to the cross-sectional shape of the sliding rail.
6. A pneumoperitoneum needle holding device as claimed in claim 5, wherein both said holding members are provided with said mounting portion.
7. The pneumoperitoneum needle holding device according to claim 1, wherein both said holding members form a rotational connection between said operating portion and said holding portion.
8. The pneumoperitoneum needle holding device as claimed in claim 1, wherein the holding parts of the two holding pieces are respectively provided with a through groove with an opening matched with the outer contour of the needle point, and the through grooves of the two holding pieces are matched to clamp and fix the needle point.
9. The pneumoperitoneum needle holding device according to claim 8, wherein an end of the holding portion remote from the operating portion is flat.
10. The pneumoperitoneum needle holding device according to claim 1, wherein a side of the operating portion that slides away from the indicator is provided with a grip portion for driving the operating portion to cause the holding portion to hold or release the needle tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121043808.XU CN215227976U (en) | 2021-05-17 | 2021-05-17 | Pneumoperitoneum needle clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121043808.XU CN215227976U (en) | 2021-05-17 | 2021-05-17 | Pneumoperitoneum needle clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215227976U true CN215227976U (en) | 2021-12-21 |
Family
ID=79456002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121043808.XU Active CN215227976U (en) | 2021-05-17 | 2021-05-17 | Pneumoperitoneum needle clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215227976U (en) |
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2021
- 2021-05-17 CN CN202121043808.XU patent/CN215227976U/en active Active
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