CN208851596U - TOM needle - Google Patents

Abstract

The utility model belongs to TOM needle technical field, discloses a kind of TOM needle.It is mainly characterized in that including sleeve and needle core, the sleeve includes the sleeve shank and ferrule barrel positioned at tail portion, the needle core includes needle core handle and shank, the ferrule barrel front end is provided with tip head, in this way, when deep fascia is passed through in ferrule barrel front end, tip head can be readily intercalated into deep fascia, it will not be slided on deep fascia surface, it effectively prevents because ferrule barrel movement causes seal wire bending, it will not cause the offset of puncture path, so that puncture is more accurate, when reaching processus articular superior surface, the tip head of ferrule barrel front end can be readily intercalated into processus articular superior, alleviate the injury and pain of patient, shorten operating time.

Description

TOM needle

Technical field

The utility model belongs to TOM needle technical field more particularly to a kind of TOM needle.

Background technique

When treating the diseases such as lumbar vertebrae, need to cut bone tissue outstanding to reach decompression purpose.It is outstanding cutting It before bone tissue, needs to be positioned with TOM needle, existing TOM needle sleeve is cylindrical shape, and barrel forward end is plane, in TOM needle Sleeve has the following deficiencies: when being inserted into first, when TOM needle sleeve front end passes through deep fascia, since deep fascia density is big, passes through Resistance is big, is easy to appear seal wire bending, or former puncture path offset, leads to former puncture failure；Second, since processus articular superior is oblique Face, and processus articular superior surface is hard, smooth, sleeve is easy to skid, and causes puncture failure.It needs to re-start puncture, wears again Not only there is the unsuccessful risk of puncture position in thorn, but also can increase the pain of patient, aggravate the damage of patient.

Utility model content

The technical problems to be solved in the utility model is just to provide that a kind of resistance is small, avoids seal wire bending, easily fixes The TOM needle on processus articular superior surface.

In order to solve the above technical problems, the technical solution adopted by the utility model is: including sleeve and needle core, the sleeve Sleeve shank and ferrule barrel including being located at tail portion, the needle core includes needle core handle and shank, and the ferrule barrel front end is set It is equipped with tip head.

Its additional technical feature are as follows:

The tip head is the shape after annulus is intercepted by inclined-plane；

Angle between the inclined-plane and the ferrule barrel axis is 30-60 degree；

The tip head is the shape after annulus is intercepted by sphere；

The front end of the shank is spade.

TOM needle provided by the utility model compared with prior art, has the advantage that first, due to including sleeve And needle core, the sleeve include the sleeve shank and ferrule barrel positioned at tail portion, the needle core includes needle core handle and shank, described Ferrule barrel front end is provided with tip head, in this way, tip head can be readily intercalated into deep muscle when deep fascia is passed through in ferrule barrel front end It in film, will not be slided on deep fascia surface, effectively prevent to cause to wear because ferrule barrel movement causes seal wire bending The offset in path is pierced, so that puncture is more accurate, when reaching processus articular superior surface, the tip head of ferrule barrel front end is easy to It is inserted into processus articular superior, alleviates the injury and pain of patient, shorten operating time；Second, since the tip head is circle Ring intercepted by inclined-plane after shape, process it is more convenient；Third, due to the folder between the inclined-plane and the ferrule barrel axis Angle is 30-60 degree, and such resistance is smaller；Fourth, since the tip head is the shape after annulus is intercepted by sphere, at tip During head insertion deep fascia, ferrule barrel is less likely to occur to deflect；Fifth, since the front end of the shank is spade, shank The resistance of insertion becomes smaller.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model TOM needle；

Fig. 2 is the enlarged drawing of ferrule barrel front end；

Fig. 3 is the enlarged drawing for the ferrule barrel front end that tip head is another structure；

Fig. 4 is the enlarged drawing of TOM needle front end.

Specific embodiment

With reference to the accompanying drawings and detailed description the structure to the utility model TOM needle and using principle do further in detail It describes in detail bright.

As shown in Figure 1, the utility model TOM needle includes sleeve 1 and needle core 2, the sleeve 1 includes the sleeve positioned at tail portion Handle 11 and ferrule barrel 12, needle core 2 include needle core handle 21 and shank 22, and 12 front end of ferrule barrel is provided with tip head 13, this Sample, when deep fascia is passed through in ferrule barrel front end, tip head 13 be can be readily intercalated into deep fascia, will not be sliding on deep fascia surface It is dynamic, it effectively prevents that the offset of puncture path will not be caused because ferrule barrel movement causes seal wire bending, so that puncturing more It is accurate to add, and when reaching processus articular superior surface, the tip head of ferrule barrel front end be can be readily intercalated into processus articular superior, alleviates disease The injury and pain of people, shortens operating time.

As shown in Fig. 2, tip head 13 is the shape after annulus is intercepted by inclined-plane, process more convenient.Intercept tip head 13 Inclined-plane and ferrule barrel 12 axis between angle be preferably 30-60 degree, such resistance is smaller.

As shown in figure 3, tip head 13 is the shape after annulus is intercepted by sphere, at tip, head 13 is inserted into deep fascia process In, ferrule barrel is less likely to occur to deflect.

As shown in figure 4, the front end of shank 22 is spade, the resistance of shank insertion becomes smaller.

The protection scope of the utility model is not limited solely to above-described embodiment, as long as structure and the utility model TOM needle Structure is same or similar, just falls in the range of the utility model protection.

Claims (4)

1.TOM needle, including sleeve and needle core, the sleeve include the sleeve shank and ferrule barrel positioned at tail portion, the needle core packet Include needle core handle and shank, it is characterised in that: the ferrule barrel front end is provided with tip head, and the front end of the shank is shovel Shape.

2. TOM needle according to claim 1, it is characterised in that: the tip head is the shape after annulus is intercepted by inclined-plane.

3. TOM needle according to claim 2, it is characterised in that: the folder between the inclined-plane and the ferrule barrel axis Angle is 30-60 degree.

4. TOM needle according to claim 1, it is characterised in that: the tip head is the shape after annulus is intercepted by sphere.