CN211131315U

CN211131315U - Spinal surgery puncture locator

Info

Publication number: CN211131315U
Application number: CN201921873312.8U
Authority: CN
Inventors: 吴丹; 龙龙; 王允; 聂昌平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-03
Filing date: 2019-11-03
Publication date: 2020-07-31
Anticipated expiration: 2029-11-03

Abstract

The utility model discloses a spinal surgery puncture locator, which belongs to the field of puncture locators and comprises a shell, wherein the top end of the shell is rotationally connected with an adjusting knob, a threaded rod is fixedly connected on the adjusting knob, the lower end of the threaded rod is rotationally connected with the top end of the shell, a locating rod is fixedly connected between the upper end and the lower end of the shell, a movable plate is sleeved on the locating rod, a threaded hole matched with the threaded rod is drilled on the movable plate, a locating frame is arranged at one side of the movable plate away from the shell, an adjusting arm is connected between the movable plate and the locating frame, a pair of rotating shafts is fixedly connected on the adjusting arm, the movable plate and the locating frame are rotationally connected with the rotating shafts, a sliding table is slidably connected on the locating frame, a sliding groove is drilled on the side wall of the sliding table, a movable frame is slidably connected in the sliding groove, a locator is, the puncture needle is easy to be positioned accurately, and the shaking during the needle application is reduced.

Description

Spinal surgery puncture locator

Technical Field

The utility model relates to a puncture locator field, more specifically say, relate to a spinal surgery puncture locator.

Background

At present, some researches in spinal surgery are dedicated to design a simple and practical positioning instrument with low manufacturing cost for spinal surgery puncture and positioning, and some positioning instruments have been subjected to clinical tests but still have some defects.

Some current positioners are too bulky, and interfere with surgery and C-arm fluoroscopy application in the surgery after installation; some positioning instruments have higher requirements on the body position of a patient, and the patient can cause larger positioning errors due to slight body position change; some positioning instruments depend on preoperative CT excessively, and large errors exist between actual operation and planning. Because of these disadvantages, these positioning apparatuses are difficult to be used in actual work, and there is no positioning apparatus generally used in clinical work.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a spinal surgery puncture locator, it can realize easily making the pjncture needle location accurate, rocking when reducing the needle of executing.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A spinal surgery puncture locator comprises a shell, wherein the top end of the shell is rotatably connected with an adjusting knob, a threaded rod is fixedly connected onto the adjusting knob, the lower end of the threaded rod is rotatably connected with the top end of the shell, a locating rod is fixedly connected between the upper end and the lower end of the shell, a movable plate is sleeved on the locating rod, a threaded hole matched with the threaded rod is drilled on the movable plate, a locating frame is arranged on one side of the movable plate, which is away from the shell, an adjusting arm is connected between the movable plate and the locating frame, a pair of rotating shafts are fixedly connected onto the adjusting arm, the movable plate and the locating frame are both rotatably connected with the rotating shafts, a sliding table is slidably connected onto the locating frame, a sliding groove is drilled on the side wall of the sliding table, a movable frame is slidably connected into the sliding groove, a locator is fixedly connected onto, the angle scale is connected with the rotary drum in a rotating mode, the puncture needle is inserted into the rotary drum, the rotary drum is provided with the jack matched with the puncture needle in a chiseling mode, the puncture needle can be positioned accurately easily, and shaking during needle application is reduced.

Further, the upper end fixedly connected with toothed disc of pivot, all the joint have with toothed disc assorted fixture block on fly leaf and the locating frame, conveniently easily with fly leaf and locating frame and regulating arm fixed, make fly leaf, regulating arm and locating frame wholly fixed, the regulating arm rocks with the locating frame when preventing to execute the needle.

Further, it has the mounting groove to cut on the inner wall of jack, it has with pjncture needle assorted clamp splice to slide in the mounting groove, threaded connection has and clamp splice assorted adjusting screw on the casing, adjusting screw rotates with the clamp splice to be connected, conveniently fixes the pjncture needle in the rotary drum, makes device portability pjncture needle fix a position.

Further, all be connected with the scale on casing, pivot and the locating frame, equal fixedly connected with and scale assorted pointer on fly leaf, slip table and the movable frame, the person of facilitating the use carries out accurate location and adjusts.

Furthermore, the rotating shaft is coated with a damping layer, so that the friction force between the rotating shaft and the movable plate and between the rotating shaft and the positioning frame is increased.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme is easy to ensure that the puncture needle is accurately positioned and the shaking during needle application is reduced.

(2) The upper end fixedly connected with toothed disc of pivot all the joint have with toothed disc assorted fixture block on fly leaf and the locating frame, conveniently easily with fly leaf and locating frame and regulating arm fixed, make fly leaf, regulating arm and locating frame wholly fixed, the regulating arm rocks with the locating frame when preventing to execute the needle.

(3) The inner wall of jack is last to cut open there is the mounting groove, and it has with pjncture needle assorted clamp splice to slide in the mounting groove, and threaded connection has on the casing with clamp splice assorted adjusting screw, and adjusting screw rotates with the clamp splice to be connected, conveniently fixes the pjncture needle in the rotary drum, makes the device portability pjncture needle fix a position.

(4) All be connected with the scale on casing, pivot and the locating frame, equal fixedly connected with and scale assorted pointer on fly leaf, slip table and the movable frame, the person of facilitating the use carries out accurate location and adjusts.

(5) The rotating shaft is coated with a damping layer, so that the friction force between the rotating shaft and the movable plate and between the rotating shaft and the positioning frame is increased.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a side view of the present invention;

fig. 4 is a partial cross-sectional view of the locator of the present invention.

The reference numbers in the figures illustrate:

the device comprises a shell 1, a threaded rod 101, an adjusting knob 102, a positioning rod 103, a movable plate 2, an adjusting arm 3, a rotating shaft 4, a gear disc 401, a positioning frame 5, a sliding table 6, a movable frame 7, a positioner 8, an angle disc 801, a rotating drum 802, a clamping block 803, an adjusting screw 804, a puncture needle 9 and a clamping block 10.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a spinal surgery puncture locator comprises a housing 1, an adjusting knob 102 is rotatably connected to the top end of the housing 1, a threaded rod 101 is fixedly connected to the adjusting knob 102, a through hole matched with the threaded rod 101 is drilled on the housing 1, the lower end of the threaded rod 101 is rotatably connected to the top end of the housing 1, a locating rod 103 is fixedly connected between the upper end and the lower end of the housing 1, a movable plate 2 is sleeved on the locating rod 103, a threaded hole matched with the threaded rod 101 is drilled on the movable plate 2, a locating frame 5 is arranged on the movable plate 2 at the side away from the housing 1, an adjusting arm 3 is connected between the movable plate 2 and the locating frame 5, a pair of rotating shafts 4 is fixedly connected to the adjusting arm 3, the movable plate 2 and the locating frame 5 are both rotatably connected to the rotating shafts 4, a gear plate 401 is fixedly connected to the upper end of the rotating shafts 4, and clamping blocks, convenient easily with fly leaf 2 and locating frame 5 and regulating arm 3 fixed, make fly leaf 2, regulating arm 3 and locating frame 5 are whole fixed, regulating arm 3 rocks with locating frame 5 when preventing to execute the needle, the cladding has the damping layer in the pivot 4, increase the frictional force between pivot 4 and fly leaf 2 and the locating frame 5, sliding connection has slip table 6 on the locating frame 5, it has the spout to cut on the lateral wall of slip table 6, sliding connection has movable frame 7 in the spout, fixedly connected with locator 8 on the movable frame 7, casing 1, all be connected with the scale on pivot 4 and the locating frame 5, fly leaf 2, equal fixedly connected with and scale assorted pointer on slip table 6 and the movable frame 7, the person of facilitating the use carries out accurate location regulation.

Referring to fig. 3-4, the positioner 8 includes an angle scale 801, the angle scale 801 is rotatably connected to a rotary drum 802, a puncture needle 9 is inserted into the rotary drum 802, a jack matched with the puncture needle 9 is drilled in the rotary drum 802, an installation groove is drilled in the inner wall of the jack, a clamping block 803 matched with the puncture needle 9 is slidably connected in the installation groove, an adjusting screw 804 matched with the clamping block 803 is threadedly connected to the housing 1, and the adjusting screw 804 is rotatably connected to the clamping block 803, so that the puncture needle 9 is conveniently fixed in the rotary drum 802, and the device can carry the puncture needle 9 for positioning.

When in use, a user rotates the adjusting knob 102 to rotate the threaded rod 101, so that the movable plate 2 moves along the transmission direction of the threaded rod 101 to realize the height adjustment of the positioner 8, then the user pulls the adjusting arm 3 and the positioning frame 5 to rotate, so that the locator 8 is close to the position of needle application, after the adjustment is finished, the fixture block 10 is clamped with the gear disc 401, so that the adjusting arm 3 and the positioning frame 5 are fixed, then the sliding table 6 is pulled to move along the length direction of the positioning frame 5, the movable frame 7 is pulled to move along the length direction of the sliding table 6, the positioner 8 is further close to the needle application point, the positioning frame 5 and the graduated scale on the sliding table 6 are accurately adjusted in the adjusting process, finally, a user can rotate the rotary drum 802 to adjust the needle application angle of the puncture needle 9, the angle scale 801 can be referenced for precise angle adjustment, and finally, the user rotates the adjusting screw 804 to enable the clamping block 803 to release the puncture needle 9, so that the needle application work can be carried out.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A spinal surgical penetration locator comprising a housing (1), characterized in that: the top of casing (1) is rotated and is connected with adjust knob (102), fixedly connected with threaded rod (101) on adjust knob (102), the lower extreme of threaded rod (101) is rotated with the top of casing (1) and is connected, fixedly connected with locating lever (103) between the upper and lower both ends of casing (1), fly leaf (2) has been cup jointed on locating lever (103), drill on fly leaf (2) and have the screw hole with threaded rod (101) phase-match, one side that casing (1) was kept away from to fly leaf (2) is equipped with posting (5), be connected with between fly leaf (2) and posting (5) and adjust arm (3), a pair of pivot (4) of fixedly connected with on adjust arm (3), fly leaf (2) and posting (5) all rotate with pivot (4) and are connected, sliding connection has slip table (6) on posting (5), cut on the lateral wall of slip table (6) and have the spout, sliding connection has activity frame (7) in the spout, fixedly connected with locator (8) are gone up in activity frame (7), locator (8) include angle scale (801), it is connected with rotary drum (802) to rotate on angle scale (801), it has pjncture needle (9) to peg graft on rotary drum (802), cut on rotary drum (802) have with pjncture needle (9) assorted jack.

2. The spinal surgical penetration locator of claim 1, wherein: the upper end fixedly connected with toothed disc (401) of pivot (4), equal joint has with toothed disc (401) assorted fixture block (10) on fly leaf (2) and locating frame (5).

3. The spinal surgical penetration locator of claim 2, wherein: the utility model discloses a portable electronic device, including casing (1), be equipped with the jack, the jack is equipped with the inner wall of jack, it has mounting groove to cut on the inner wall of jack, it has clamp splice (803) with pjncture needle (9) assorted clamp splice (803) to slide in the mounting groove, threaded connection has on casing (1) and clamp splice (803) assorted adjusting screw (804), adjusting screw (804) are rotated with clamp splice (803) and are connected.

4. The spinal surgical penetration locator of claim 1, wherein: all be connected with the scale on casing (1), pivot (4) and locating frame (5), equal fixedly connected with and scale assorted pointer on fly leaf (2), slip table (6) and movable frame (7).

5. The spinal surgical penetration locator of claim 2, wherein: the rotating shaft (4) is coated with a damping layer.