CN216933393U

CN216933393U - Vertebral pedicle positioning and measuring device

Info

Publication number: CN216933393U
Application number: CN202120662267.2U
Authority: CN
Inventors: 许琳琳; 陈灏; 胡庆洋; 邓强
Original assignee: Guangzhou Tianying Precision Tool Co ltd
Current assignee: Guangzhou Tianying Precision Tool Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-07-12
Anticipated expiration: 2031-03-31

Abstract

The utility model provides a vertebral pedicle positioning measurer, which comprises a handle, a puncture needle and a working channel, wherein the handle is fixedly connected with the puncture needle, and a slotted hole is formed in the handle; the working channel comprises a sleeve and a fixing piece, the fixing piece is provided with a first bulge, and the sleeve is connected with the fixing piece; the handle is connected with the working channel through the slotted hole and the first bulge in a matched and buckled mode. According to the pedicle positioning measurer, the handle is provided with the slotted hole, the working channel fixing piece is provided with the bulge, so that the slotted hole is matched with the bulge, the fixed connection between the handle and the working channel is realized, the pedicle positioning measurer is convenient to disassemble in the using process, the operation is convenient, and the time is saved.

Description

Pedicle of vertebral arch location caliber

Technical Field

The utility model particularly relates to a vertebral pedicle positioning measurer.

Background

The Pedicle Screw (PS) operation is an important milestone in the development history of spinal surgery, has better mechanical strength and good orthopedic effect, and the current PS operation accounts for 35 to 40 percent of the total operation amount of the spine. In recent years, the rapid development of spine surgery shows 3 major trends of minimal invasion, precision and high difficulty, and the surgical indications of PS are expanding, and the high difficulty surgery which is difficult to implement in the past is as follows: upper cervical spine surgery, complex spinal deformity correction, minimally invasive spinal surgery, etc., are performed, and most of these procedures require PS fixation.

The extensive development of spinal internal fixation operation makes the quantity of PS screw implantation increase sharply, and the application of conventional lumbar vertebrae and chest waist section has comparatively ripe, and the error rate of putting the nail is lower, but in many high-difficulty spinal surgery operations, how to put the nail accurately still remains a focus problem that comparatively puzzles and urgently awaits solution.

The vertebral pedicle positioning measurer is a handheld and intelligent vertebral pedicle operation navigation product, and is matched with a Miniature Inertial Navigation System (MINS) and a bioelectrical impedance technology (BIS). In the operation, whether the PS nail channel is in the correct bone channel can be monitored in real time through a bioelectrical impedance technology, and qualitative auxiliary guidance of the PS nail channel is completed; the micro inertial navigation measures the PS nail placing operation angle data in real time to complete the directional guidance of the PS nail placing. Accurate ps placement is achieved with reduced radiation contamination. The pedicle positioning measurer can provide guidance for PS (Poly styrene) implantation, but due to the imperfect structural design and function, for example, the contact area between a handle structure and a hand is small, so that the pedicle positioning measurer is inconvenient to grasp, and discomfort can be caused by long-time grasping in an operation; the handle and the working channel adopt a threaded connection mode, and the handle is inconvenient to disassemble and the like, so that the handle is not ideal enough in actual clinical operation.

Therefore, a pedicle positioning and measuring device is needed to be provided, so that the handle and the working channel can be conveniently and quickly separated, time is saved, the operation is easy, and unnecessary damage caused by excessive operation is avoided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vertebral pedicle positioning measurer, which solves the defects that the vertebral pedicle positioning measurer in the prior art is inconvenient to disassemble and operate.

In order to realize the purpose, the technical scheme adopted by the utility model is as follows:

a vertebral pedicle positioning and measuring device comprises a handle, a puncture needle and a working channel, wherein the handle is fixedly connected with the puncture needle; the working channel comprises a sleeve and a fixing piece, the fixing piece is provided with a first bulge, and the sleeve is connected with the fixing piece; the handle is connected with the working channel through the slotted hole and the first bulge in a matched and buckled mode.

In the utility model, the fixing piece comprises a first connecting part and a fixing part; the first bulge is arranged on the first connecting portion, and the sleeve is fixed on the fixing portion.

Further, the first connecting portion is cylindrical, and the first protrusion is arranged on the outer wall of the cylindrical first connecting portion.

Further, the fixed part is symmetrically provided with two radial flanges.

The utility model may be modified in that the handle comprises a shank portion and a second connecting portion; the second connecting portion is provided with a circular hole matched with the first connecting portion of the fixing piece, and the slotted hole is formed in the second connecting portion.

The utility model can be improved in such a way that the circular hole of the second connecting part is connected with a lug, and the inner wall of the first connecting part is symmetrically provided with second bulges, so that the lug is fixed by the second bulges. Through protruding cooperation of lug and second, the second is protruding to have limiting displacement to the lug, and the handle is connected more firmly with the mounting like this, more makes things convenient for the puncture operation, realizes accurate pedicle of vertebral arch screw and puts into.

Furthermore, the puncture needle is fixed on a lug in the second connecting part and penetrates through the lug. Through setting up like this, improve the puncture stability of pjncture needle, improve the precision of operation.

The utility model can be further improved, and the handle is in a conical structure with a transition from a hexagon to a circle. The handle adopts a structure which accords with human mechanics, so that the contact area between the hand of a clinician and the handle is increased, the pressure on the hand is reduced, and the hand is easier to grasp and more comfortable when a long-time ps operation is carried out; the hexagonal design is not easy to slip, and is more convenient for a clinician to catch and exert force when in use; meanwhile, the hexagon is in transition to the circle, and the tapered structure enables the handle to be provided with a transition section from the probe, so that the view field is not blocked, and the observation and the aiming are easy.

Further, the handle outside is provided with anti-skidding line.

Furthermore, handle stalk portion cavity sets up is equipped with the pcba board in, and the pcba board is connected with the pjncture needle electricity, and the pcba board is fixed at the handle stalk portion.

Further, the handle also comprises a tail cover, and the tail cover is connected with the handle part of the handle.

The utility model has the following beneficial effects:

(1) according to the pedicle positioning measurer, the handle is provided with the slotted hole, the working channel fixing piece is provided with the bulge, so that the slotted hole is matched with the bulge, the fixed connection between the handle and the working channel is realized, the pedicle positioning measurer is convenient to disassemble in the using process, the operation is convenient, and the time is saved.

(2) The inner wall of the first connecting part of the pedicle positioning measurer is symmetrically provided with second bulges; the lug is connected in the second connecting portion, and the second is protruding to have limiting displacement to the lug, through the protruding second protruding phase-match of lug and first connection for the handle is connected more firmly with the mounting, and the operation of more making things convenient for the puncture realizes accurate pedicle of vertebral arch screw and puts into.

(3) The handle of the pedicle positioning measurer is in a conical structure which is in transition from hexagon to round, better accords with human mechanics, increases use comfort, does not shield the visual field, is easy to operate, and improves operation accuracy.

Drawings

The utility model is described in further detail below with reference to the figures and the specific embodiments.

FIG. 1 is a schematic view of the overall structure of the pedicle positioning and measuring device of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a front view of the pedicle positioning and measuring device of the present invention;

FIG. 4 is a rear view of the pedicle positioning gauge of the present invention;

FIG. 5 is a left side view of the pedicle positioning gauge of the present invention;

FIG. 6 is a right side view of the pedicle locator measurer of the present invention;

FIG. 7 is a top view of the pedicle positioning and measuring device of the present invention;

FIG. 8 is a bottom view of the pedicle positioning gauge of the present invention;

FIG. 9 is a schematic view showing a coupling structure of the handle and the puncture needle;

FIG. 10 is a schematic structural view of a working channel according to the present invention;

FIG. 11 is a schematic view of the fastener of the present invention;

FIG. 12 is a front view of the fastener of the present invention;

FIG. 13 is a rear elevational view of the fastener of the present invention;

FIG. 14 is a left side view of the anchor of the present invention;

FIG. 15 is a top view of the fastener of the present invention;

the drawings are numbered as follows: 1. a handle; 2. puncturing needle; 3. a sleeve; 4. a fixing member; 5. a pcba board; 101. a handle; 102. a second connecting portion; 103. a tail cover; 104. a bump; 105. a slot; 401. a first connection portion; 402. a fixed part; 403. a first protrusion; 404. a second protrusion; 405. a flange.

Detailed Description

The pedicle positioning measurer as shown in fig. 1-15 comprises a handle 1, a puncture needle 2 and a working channel.

The working channel comprises a sleeve 3 and a fixing member 4, the fixing member 4 comprises a first connecting portion 401 and a fixing portion 402, and the sleeve 3 is fixed on the fixing portion 402. The first connecting portion 401 is cylindrical, and a first protrusion 403 is disposed on an outer wall of the first connecting portion 401; the inner wall of the first connection part 401 is symmetrically provided with second protrusions 404. The stationary portion 402 is symmetrically provided with two radial flanges 405.

The handle 1 is a conical structure with transition from hexagon to round, and the outside is provided with anti-skid grains. The handle 1 includes a shank 101, a second connecting portion 102, and a tail cap 103. The handle part 101 of the handle 1 is hollow, a pcba board 5 is arranged in the handle part 101, and the pcba board 5 is fixed on the handle part 101 of the handle 1. The second connecting portion 102 has a circular hole corresponding to the first connecting portion 401 of the fixing element 4, a protrusion 104 is connected in the circular hole, and a through slot 105 is formed in the side wall of the second connecting portion 102. Slotted hole 105 is connected with the first arch 403 cooperation buckle of first connecting portion 401, and lug 104 is fixed by the protruding 404 of second that the symmetry set up, and the protruding 404 of second plays limiting displacement to lug 104, through setting up like this, can realize handle 1 and job channel's firm connection, makes things convenient for handle 1 and job channel's separation again. The puncture needle 2 is fixed on a projection 104 in the second connecting portion 102, and penetrates through the projection 104, one end of the puncture needle is electrically connected with the pcba board 5, and the other end of the puncture needle extends into the sleeve 3 of the working channel.

The above-described embodiments of the present invention are not intended to limit the scope of the present invention, and the embodiments of the present invention are not limited thereto, and various other modifications, substitutions and alterations can be made to the above-described structure of the present invention without departing from the basic technical concept of the present invention as described above, according to the common technical knowledge and conventional means in the field of the present invention.

Claims

1. A vertebral pedicle positioning measurer comprises a handle (1), a puncture needle (2) and a working channel, wherein the handle (1) is fixedly connected with the puncture needle (2), and is characterized in that the handle (1) is provided with a slotted hole (105); the working channel comprises a sleeve (3) and a fixing piece (4), the fixing piece (4) is provided with a first bulge (403), and the sleeve (3) is connected with the fixing piece (4); the handle (1) is in fit and snap connection with the working channel through the slotted hole (105) and the first protrusion (403).

2. The pedicle positioning measurer according to claim 1, wherein the fixing member (4) includes a first connecting portion (401) and a fixing portion (402); the first bulge (403) is arranged on the first connecting part (401), and the sleeve (3) is fixed on the fixing part (402).

3. The pedicle positioning measurer as claimed in claim 2, wherein the first connecting portion (401) has a cylindrical shape, and the first protrusion (403) is provided on an outer wall of the cylindrical first connecting portion (401).

4. The pedicle positioning measurer as claimed in claim 3, wherein the fixation portion (402) is symmetrically provided with two radial flanges (405).

5. The pedicle positioning measurer according to any one of claims 2-4, wherein the handle (1) comprises a handle portion (101) and a second connecting portion (102); the second connecting part (102) is provided with a circular hole matched with the first connecting part (401) of the fixing piece (4), and the slotted hole (105) is formed in the second connecting part (102).

6. The pedicle positioning measurer as claimed in claim 5, wherein a bump (104) is connected in the circular hole of the second connecting part (102), and the inner wall of the first connecting part (401) is symmetrically provided with second bulges (404), so that the second bulges (404) fix the bump (104).

7. The pedicle positioning measurer as claimed in claim 6, wherein the puncture needle (2) is fixed to a projection (104) in the second connecting portion (102) and is disposed through the projection (104).

8. The pedicle locator measurer according to claim 6, wherein the handle (1) is of a tapered structure with a hexagonal to circular transition.

9. The pedicle positioning measurer according to claim 8, wherein the handle (1) is hollow in the handle portion (101), a pcba board (5) is arranged in the handle portion, the pcba board (5) is electrically connected with the puncture needle (2), and the pcba board (5) is fixed on the handle portion (101) of the handle (1).

10. The pedicle positioning measurer as claimed in claim 9, wherein the handle (1) further comprises a tail cap (103), the tail cap (103) being connected to the handle (1) portion (101).