CN213310160U

CN213310160U - Vertebral pedicle puncture needle capable of finely adjusting puncture direction

Info

Publication number: CN213310160U
Application number: CN202021330334.2U
Authority: CN
Inventors: 王健; 韩帅; 任东林; 张峰; 宋鑫
Original assignee: Shanghai Pudong New Area Peoples Hospital
Current assignee: Shanghai Pudong New Area Peoples Hospital
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-06-01
Anticipated expiration: 2030-07-08

Abstract

The utility model provides a vertebral pedicle puncture needle capable of finely adjusting puncture direction, which belongs to the field of medical appliances. The pedicle of vertebral arch pjncture needle that can finely tune puncture direction includes pjncture needle main part subassembly and fine setting subassembly. First open slot and second open slot have been seted up respectively to the outer sleeve both sides, the outer sleeve cover in pjncture needle main part surface, pjncture needle main part fixed surface has the pivot of being connected with the outer sleeve inner wall rotation. The push plate is connected to the surface of the handheld part in a sliding and clamping mode, one end of the connecting rod is hinged to the push plate, and the other end of the connecting rod is hinged to the surface of the puncture needle main body; the puncture needle main body can be finely adjusted in the direction selected by a user, the success rate of finding the optimal puncture point during the puncture of the vertebral pedicle is improved, the operation time is further reduced, the operation risk is reduced, the number of perspective times in the operation is reduced, and therefore the radiation dose born by doctors and patients in the operation process is reduced.

Description

Vertebral pedicle puncture needle capable of finely adjusting puncture direction

Technical Field

The utility model relates to the field of medical equipment, particularly, relate to a pedicle of vertebral arch pjncture needle that can finely tune puncture direction.

Background

At present, a conventional pedicle puncture needle main body is often selected as a puncture tool for a doctor during thoracolumbar percutaneous pedicle puncture operation;

when the conventional pedicle puncture needle main body is used, the adjustment of the puncture point when the puncture point is placed into the pedicle mainly depends on the hand feeling of a surgeon, and the adjustment is too much and needs to be repeated; resulting in the need for repeated fluoroscopy to determine the puncture location, increasing procedure time and bleeding.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above insufficiency, the utility model provides a can finely tune pedicle of vertebral arch pjncture needle of puncture direction aims at improving the problem that the point of puncture was not convenient for adjust when putting into the pedicle of vertebral arch.

The utility model discloses a realize like this:

the utility model provides a pair of can finely tune pedicle of vertebral arch pjncture needle of puncture direction, including pjncture needle main part subassembly and fine setting subassembly.

The puncture needle main body assembly comprises an outer sleeve and a puncture needle main body, wherein a first open slot and a second open slot are formed in two sides of the outer sleeve respectively, the outer sleeve is sleeved on the surface of the puncture needle main body, and a rotating shaft which is rotatably connected with the inner wall of the outer sleeve is fixed on the surface of the puncture needle main body.

The fine setting subassembly includes handheld portion, push pedal and connecting rod, handheld portion with outer sleeve upper end fixed connection, the push pedal slip joint is in handheld portion surface, the one end of connecting rod with the push pedal is articulated, the other end of connecting rod with pjncture needle main part surface is articulated.

In an embodiment of the present invention, the outer sleeve is an aviation aluminum pipe, and the outer wall of the outer sleeve is provided with scale marks along the length direction.

In an embodiment of the present invention, the first opening groove has the same structure as the second opening groove, and the first opening groove and the second opening groove are rotationally symmetrical.

In one embodiment of the present invention, the outer sleeve has an annular block on its outer surface, and the lower end of the annular block holds alcohol cotton.

In an embodiment of the utility model, a liquid collecting barrel is fixed to pjncture needle main part upper end, pjncture needle main part upper port with liquid collecting barrel bottom intercommunication.

The utility model discloses an in the embodiment, a liquid collecting barrel intercommunication has the liquid feeding pipe, the one end sealing connection of liquid feeding pipe has the end cap.

The utility model discloses an in one embodiment, collection liquid section of thick bamboo upper end intercommunication has the gasbag, one-way air inlet has been seted up to the gasbag upper end, install one-way valve block in the one-way air inlet.

In an embodiment of the utility model, the tooth's socket has been seted up to the handheld portion upper surface, the tooth's socket internal meshing has the tooth post, push pedal surface rotation installs the knob, the knob lower extreme with the coaxial fixed connection of tooth post.

The utility model discloses an in the embodiment, the tooth's socket is the bar groove, the knob runs through the through-hole that the push pedal surface was seted up, the knob surface is provided with anti-skidding line.

In an embodiment of the present invention, one end of the push plate is connected to a tension spring, and one end of the tension spring is connected to the handle.

The utility model has the advantages that: the utility model discloses a pedicle of vertebral arch pjncture needle that puncture direction can be finely tuned that above-mentioned design obtained, during the use, promote the push pedal, make the connecting rod of push pedal tip promote the one end of pjncture needle main part, and then drive the pjncture needle main part and rotate certain angle around the outer sleeve, the first open slot and the second open slot of seting up, reserve sufficient space for pjncture needle main part fine setting position, the pjncture needle main part can finely tune in the selected direction of user, the success rate of looking for best puncture point when having improved the pedicle of vertebral arch puncture, and then reduce the operation time, the operation risk has been reduced, the number of times of perspective in the art has been reduced, thereby the radiation dose that doctor and.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a schematic front sectional view of an outer sleeve according to an embodiment of the present invention;

fig. 3 is a schematic side sectional view of an outer sleeve according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a position a in fig. 3 according to an embodiment of the present invention.

In the figure: 100. a puncture needle main body assembly; 110. an outer sleeve; 130. a puncture needle main body; 111. a first open slot; 113. a second open slot; 115. a ring block; 131. a rotating shaft; 150. a liquid collection cylinder; 151. a liquid feeding pipe; 153. a plug; 155. an air bag; 300. a fine tuning component; 310. a hand-held portion; 311. a tooth socket; 313. a tooth post; 330. pushing the plate; 331. a knob; 333. a tension spring; 350. a connecting rod.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the utility model provides a. Embodiments, all other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. 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 the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a pedicle puncture needle capable of finely adjusting the puncture direction comprises a puncture needle body assembly 100 and a fine adjustment assembly 300.

Referring to fig. 1-2, the puncture needle body assembly 100 includes an outer sleeve 110 and a puncture needle body 130, and the outer sleeve 110 and the puncture needle body 130 are combined into a whole for pedicle puncture; the two sides of the outer sleeve 110 are respectively provided with a first opening groove 111 and a second opening groove 113, the outer sleeve 110 is sleeved on the surface of the puncture needle main body 130, the surface of the puncture needle main body 130 is fixedly provided with a rotating shaft 131 which is rotatably connected with the inner wall of the outer sleeve 110, the first opening groove 111 and the second opening groove 113 have the same structure, the first opening groove 111 and the second opening groove 113 are arranged in a rotational symmetry manner, the side of the outer sleeve 110 is provided with an opening which can be used for fine adjustment of the inner center of the puncture needle main body 130 in the horizontal direction, and the side opening of the outer sleeve 110 can also be used;

in this embodiment, outer sleeve 110 is aviation aluminum pipe body, is provided with scale mark along length direction on the outer wall of outer sleeve 110, is provided with scale mark, can observe the depth of penetration in real time, and outer sleeve 110 surface cover is equipped with annular piece 115, and annular piece 115 lower extreme centre gripping holds the alcohol cotton.

In other embodiments, a liquid collecting barrel 150 is fixed at the upper end of the puncture needle body 130, the upper port of the puncture needle body 130 is communicated with the bottom of the liquid collecting barrel 150, the liquid collecting barrel 150 is communicated with a liquid adding pipe 151, and one end of the liquid adding pipe 151 is hermetically connected with a plug 153.

It should be noted that the upper end of the liquid collecting barrel 150 is communicated with an air bag 155, the upper end of the air bag 155 is provided with a one-way air inlet, and a one-way valve plate is installed in the one-way air inlet.

Referring to fig. 3-4, the fine adjustment assembly 300 includes a hand-held portion 310, a push plate 330 and a connecting rod 350, the hand-held portion 310 is fixedly connected to the upper end of the outer sleeve 110, the push plate 330 is slidably engaged with the surface of the hand-held portion 310, one end of the connecting rod 350 is hinged to the push plate 330, and the other end of the connecting rod 350 is hinged to the surface of the puncture needle body 130;

in this embodiment, the upper surface of the handheld portion 310 is provided with a tooth socket 311, a tooth column 313 is engaged in the tooth socket 311, the surface of the push plate 330 is rotatably provided with a knob 331, the lower end of the knob 331 is coaxially and fixedly connected with the tooth column 313, the tooth column 313 and the tooth socket 311 are driven to move in a meshing manner by rotating the knob 331, and then the push plate 330 is pushed to translate for a small distance, so that the displacement is conveniently controlled, and the operation is convenient.

It should be noted that the tooth slot 311 is a strip-shaped slot, the knob 331 penetrates through a through hole formed in the surface of the push plate 330, the surface of the knob 331 is provided with anti-slip threads, one end of the push plate 330 is connected with a tension spring 333, one end of the tension spring 333 is connected with the handheld portion 310, and the tension spring 333 is additionally arranged to pull the push plate 330 to reset, so as to drive the puncture needle main body 130 in the outer sleeve 110 to reset.

The working principle of the pedicle of vertebral arch puncture needle capable of finely adjusting the puncture direction is as follows: when the puncture needle is used, the push plate 330 is pushed, so that the connecting rod 350 at the end part of the push plate 330 pushes one end of the puncture needle main body 130, the puncture needle main body 130 is driven to rotate by a certain angle around the outer sleeve 110, the provided first opening groove 111 and the second opening groove 113 reserve enough space for the fine adjustment position of the puncture needle main body 130, the puncture needle main body 130 can be finely adjusted in the direction selected by a user, the success rate of finding the best puncture point during pedicle puncture is improved, the operation time is reduced, the operation risk is reduced, the number of times of perspective in the operation is reduced, and the radiation dose born by a doctor and a patient in the operation process is reduced.

It should be noted that the specific model specification of the puncture needle body 130 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vertebral pedicle puncture needle capable of finely adjusting the puncture direction is characterized by comprising

The puncture needle comprises a puncture needle main body assembly (100), wherein the puncture needle main body assembly (100) comprises an outer sleeve (110) and a puncture needle main body (130), a first opening groove (111) and a second opening groove (113) are respectively formed in two sides of the outer sleeve (110), the outer sleeve (110) is sleeved on the surface of the puncture needle main body (130), and a rotating shaft (131) rotatably connected with the inner wall of the outer sleeve (110) is fixed on the surface of the puncture needle main body (130);

fine setting subassembly (300), fine setting subassembly (300) are including handheld portion (310), push pedal (330) and connecting rod (350), handheld portion (310) with outer sleeve (110) upper end fixed connection, push pedal (330) slip joint is in handheld portion (310) surface, the one end of connecting rod (350) with push pedal (330) are articulated, the other end of connecting rod (350) with pjncture needle main part (130) surface hinge.

2. The pedicle puncture needle capable of finely adjusting the puncture direction according to claim 1, wherein the outer sleeve (110) is an aviation aluminum tube body, and scale marks are arranged on the outer wall of the outer sleeve (110) along the length direction.

3. The pedicle needle capable of finely adjusting the puncture direction according to claim 1, wherein the first opening groove (111) and the second opening groove (113) are identical in structure, and the first opening groove (111) and the second opening groove (113) are rotationally symmetrical.

4. The pedicle puncture needle capable of finely adjusting the puncture direction according to claim 1, wherein an annular block (115) is sleeved on the outer surface of the outer sleeve (110), and alcohol cotton is clamped at the lower end of the annular block (115).

5. The pedicle puncture needle capable of finely adjusting the puncture direction according to claim 1, wherein a liquid collecting barrel (150) is fixed at the upper end of the puncture needle body (130), and the upper port of the puncture needle body (130) is communicated with the bottom of the liquid collecting barrel (150).

6. The pedicle puncture needle capable of finely adjusting the puncture direction according to claim 5, wherein the liquid collection tube (150) is communicated with a liquid feeding tube (151), and one end of the liquid feeding tube (151) is hermetically connected with a plug (153).

7. The pedicle puncture needle capable of finely adjusting the puncture direction according to claim 5, wherein the upper end of the liquid collecting barrel (150) is communicated with an air bag (155), the upper end of the air bag (155) is provided with a one-way air inlet, and a one-way valve plate is arranged in the one-way air inlet.

8. The pedicle puncture needle capable of finely adjusting the puncture direction according to claim 1, wherein a tooth socket (311) is formed in the upper surface of the hand-held portion (310), a tooth column (313) is engaged in the tooth socket (311), a knob (331) is rotatably mounted on the surface of the push plate (330), and the lower end of the knob (331) is coaxially and fixedly connected with the tooth column (313).

9. The pedicle puncture needle capable of finely adjusting the puncture direction according to claim 8, wherein the tooth grooves (311) are strip-shaped grooves, the knob (331) penetrates through a through hole formed in the surface of the push plate (330), and anti-skid lines are arranged on the surface of the knob (331).

10. The pedicle puncture needle capable of finely adjusting the puncture direction according to claim 1, wherein one end of the push plate (330) is connected with a tension spring (333), and one end of the tension spring (333) is connected with the hand-held part (310).