CN209695322U - A kind of puncture needle - Google Patents

Abstract

The utility model relates to medical instruments fields, specifically disclose a kind of puncture needle, including fitting supporting element, are bonded in the middle part of supporting element and are threaded with puncture component.The problem of the utility model solves in the prior art when the gap between coccyx and rumpbone is smaller, and when puncture becomes easily infected by bacterium, causes bacterium infection.

Description

A kind of puncture needle

Technical field

The utility model relates to medical instruments fields, and in particular to a kind of puncture needle.

Background technique

Ganglion impar is located at rectum rear sacrococcygeal joint front, is the termination of sympathetic chain by vertebra.Ganglion impar receives Sympathetic and parasympathetic nerve fibre from lumbar vertebrae and sacrococcygeal region is responsible for being distributed in pelvis or the sympathetic nerve of reproductive organs is fine Dimension dominates the pain sensation of perineum, rectum end, anus, urethra, tail end, scrotum and vagina caudal 1/3.

When there is lesion in ganglion impar, generally use puncture needle across coccyx and rumpbone to ganglion impar carry out to Medicine, but due to the difference of organization of human body, the gap size between the coccyx and rumpbone of different people is also different, when coccyx and rumpbone Between gap it is larger when, the gap that puncture needle can easily across coccyx and rumpbone, to ganglion impar be administered.When When gap between coccyx and rumpbone is smaller, existing puncture needle is not correspondingly improved structure, so that puncture needle passes through seam Need to apply very big power when gap, firmly conference make puncture needle penetrate depth to be excessively punctured in rectum, become easily infected by thin Bacterium causes bacterium infection.

Utility model content

The utility model is intended to provide a kind of puncture needle, with solve in the prior art when the gap between coccyx and rumpbone compared with Hour, the problem of when puncture becomes easily infected by bacterium, causes bacterium infection.

In order to achieve the above objectives, the technical solution of the utility model is as follows: a kind of puncture needle, including fitting supporting element, patch It closes and is threaded with puncture component in the middle part of supporting element.

The principle and beneficial effect of the technical program are: in the technical program, fitting supporting element can wait puncturing with patient The skin at place fits closely, while being bonded supporting element and being used to support puncture component, guarantees the stability of puncture process；Puncture component is used for It is punctured between the coccyx and rumpbone of patient.Puncture component is rotated when puncture, since puncture component connects with supporting element screw thread is bonded Connect, at this point, puncture component can be mobile relative to fitting supporting element during rotation so that puncture component penetrate patient's coccyx and rumpbone it Between, since the force process of puncture is to convert the rotation of puncture component to linear motion, one circle of puncture component rotation is about moved forward 2mm, moving distance and speed controllability are good.It avoids and is excessively punctured to rectum since ambassador's puncture component of exerting oneself penetrates depth It is interior, the problem of causing bacterium infection.

Further, puncture component is needle tubing, and the top of needle tubing passes through fitting supporting element and is connected with needle handle, and the bottom end of needle tubing is set There is tip.

The setting of needle handle be convenient to operation personnel rotate needle tubing, when needle tubing along fitting supporting element move when, needle tubing bottom end Tip can reduce venipuncture difficulty when needle tubing is pierced into patient skin, and then reduce pain of the patient when puncturing.

Further, the middle part of needle handle is equipped with threaded hole, and threaded hole internal screw thread is connected with shank, and the top of shank passes through screw thread Hole is simultaneously connected with handle, and the bottom end of shank is located in needle tubing.

Shank is for carrying medicament and being administered to affected part, after needle tubing punctures in place, operator's rotating handle, and hand Grip strip moves shank rotation affixed therewith, and shank during rotation can be mobile relative to the needle handle being threadedly coupled therewith, and then makes Shank is pierced by needle tubing and affected part is administered, and since the movement of shank is also to realize by screw thread rotation, avoids shank because exerting oneself It is excessive and penetrate depth excessively and the problem of be punctured in rectum, further avoid bacterium infection.

Further, the top for being bonded supporting element is equipped with disinfectant component, and disinfectant component includes being fixed at the top of fitting supporting element Multiple fixed blocks, fixed block is connected with support spring, and support spring is connected with far from one end of fixed block and is slidably connected at The disinfection block being bonded at the top of supporting element, disinfection block offset with needle tubing outer wall.

Disinfectant component guarantees that the cleanliness for puncturing hour hands pipe surface, fixed block are used for for carrying out disinfection to needle tubing outer wall Fixed support spring provides the point of application of support to support spring, disinfection block under the resilient support effect of support spring each other It is close, and be bonded with the outer wall of needle tubing, when needle tubing is moved along fitting supporting element, disinfection block carries out axial disappear to needle tubing outer wall Poison, and the cooperation of multiple disinfection blocks circumferentially sterilizes needle tubing, disinfection thoroughly, avoids needle tubing outer wall from generating disinfection dead angle.

Further, the bottom end of shank is equipped with puncturing head.

The puncturing head of shank bottom end can facilitate shank to be punctured, and reduce venipuncture difficulty, further decrease patient and puncturing Pain when administration.

Further, rounding off between tip and needle tubing, rounding off between puncturing head and shank.

Rounding off can reduce puncture for corner angle transition between tip and needle tubing, between puncturing head and shank When transition position and patient skin between frictional force, be further reduced patient puncture when pain.

Further, disinfection block is wedge block, and the wedge surface of wedge block is obliquely installed towards needle tubing.

When needle tubing is not contacted with disinfection block, disinfection block is close to each other under the resilient support effect of support spring, works as needle When pipe is contacted with disinfection block, needle tubing can squeeze wedge block, so that wedge block is located remotely from each other sliding along fitting support surface, sterilize The resistance to sliding when inclined design of block can facilitate needle tubing to contact for the first time with disinfection block increases the mobile fluency of needle tubing.

Further, spring cylinder is arranged with outside support spring.

Spring cylinder outside support spring can avoid support spring and coiling phenomenon occur in telescopic process, guarantee support spring Effective use.

Further, the both ends of handle are removably connected with anti-slip layer.

The anti-slip layer at handle both ends can avoid operator and slipping phenomenon occur in rotational handle, guarantee handle rotation Stability.

Detailed description of the invention

Fig. 1 is a kind of shaft section schematic diagram of puncture needle in the utility model embodiment.

Specific embodiment

It is further described below by specific embodiment:

Appended drawing reference in Figure of description includes: supporting block 1, needle tubing 2, needle handle 3, tip 4, shank 5, handle 6, fixes Block 7, support spring 8, disinfection block 9, puncturing head 10, spring cylinder 11, anti-slip layer 12, medicament 13.

Embodiment is substantially as shown in Fig. 1: a kind of puncture needle, including fitting supporting element, the fitting support in the present embodiment Part is supporting block 1, and the bottom of supporting block 1 is set as the cambered surface that can be bonded with human body (buttocks).The middle part of supporting block 1 is equipped with first Threaded hole, the first threaded hole internal screw thread are connected with needle tubing 2, and the tail end of needle tubing 2 passes through the first threaded hole and is connected with needle handle 3, needle The tip of pipe 2 is equipped with tip 4, rounding off between tip 4 and needle tubing 2, and the tip of needle tubing 2 and is equipped with opening.

The middle part of needle handle 3 is equipped with the second threaded hole, and the second threaded hole internal screw thread is connected with shank 5, and the tail end of shank 5 passes through Second threaded hole is simultaneously connected with handle 6, and the both ends of handle 6 are arranged with anti-slip layer 12, and the anti-slip layer 12 in the present embodiment is rubber Glue-line；The bottom end of shank 5 is located in needle tubing 2, and the tip of shank 5 is equipped with puncturing head 10, round and smooth between puncturing head 10 and shank 5 Transition.

The top of supporting block 1 is equipped with disinfectant component, and disinfectant component includes being integrally formed four that are connected to 1 top of supporting block Fixed block 7, four square distributions of fixed block 7, fixed block 7 are connected with support spring 8, are arranged with outside support spring 8 Spring cylinder 11, spring cylinder 11 can avoid support spring 8 and generate coiling；Support spring 8 is connected with sliding far from one end of fixed block 7 It is connected to the disinfection block 9 at 1 top of supporting block, disinfection block 9 offsets with 2 outer wall of needle tubing, and the disinfection block 9 in the present embodiment is wedge shape Block, the wedge surface of wedge block are obliquely installed towards needle tubing 2, and one end that wedge block and needle tubing 2 offset is equipped with aseptic cotton.

Concrete operations using the puncture needle in the technical program to being punctured between patient's coccyx and rumpbone are as follows: first Medicament 13 is applied at the puncturing head 10 of 5 bottom end of shank by operator, shank 5 is then passed through the second threaded hole, so that needle 5 bottom end of bar is located in needle tubing 2.Under original state, support spring 8 is in elongation state, elasticity of the disinfection block 9 in support spring 8 It is close to each other under supporting role.

In use, needle tubing 2 is passed through the first threaded hole by operator, and in the process, tip and disinfection block when needle tubing 2 When 9 contact, since the tip of needle tubing 2 is equipped with tip 4, and sterilizing block 9 is wedge block, and tip 4 can be slided along the wedge surface of wedge block, The frictional resistance between tip 4 and wedge block is reduced, in the process, needle tubing 2 can squeeze disinfection block 9, and disinfection block 9 can be along support The top of block 1 is located remotely from each other sliding, at this point, support spring 8 is in compressive state.Block 9 is sterilized in the resilient support of support spring 8 Effect is lower to be bonded with 2 outer wall of needle tubing, and carries out axial disinfection to 2 outer wall of needle tubing in 2 moving process of needle tubing, meanwhile, four branch The synergistic effect of bracer 1 carries out circumferential disinfection to 2 outer wall of needle tubing, and 2 outer wall of needle tubing is avoided to generate disinfection dead angle.

After ready, puncture working is carried out, supporting block 1 is placed in patient and waited at puncture by operator, the arc of supporting block 1 Face design can be such that supporting block 1 fits closely with patient skin, and then, operator rotates needle handle 3, and the rotation of needle handle 3 drives therewith The needle tubing 2 being fixedly connected rotates, and the supporting block 1 that needle tubing 2 can be threadedly coupled therewith relatively during rotation moves down, and works as needle When the tip 4 that pipe 2 is moved to needle tubing 2 is located at the lower section of supporting block 1, needle tubing 2 can be punctured in the skin of patient, and tip 4 is set Meter can reduce the pain of patient in puncture process.Handle 6 is continued to rotate, needle tubing 2 will continue to puncture to affected part, due to puncture process Be by screw thread engage realize needle tubing 2 it is vertically movable, avoid in puncture process because exert oneself it is excessive due to so that needle tubing 2 is penetrated depth Degree of spending and the problem of be punctured in rectum, cause bacterium infection.

After needle tubing 2 punctures in place, stop operating needle handle 3, at this point, rotational handle 6, the rotation of handle 6 will drive solid therewith The shank 5 connect rotates, and the needle handle 3 that shank 5 can be threadedly coupled therewith relatively during rotation moves down, when 5 bottom end of shank Puncturing head 10 when being moved to the opening for being pierced by needle tubing 2, puncturing head 10 can be punctured to the affected part of patient, accurately be given to affected part Medicine.

After administration, handle 6 is rotated backward, moves up shank 5 along needle tubing 2, puncturing head 10 is made to be again positioned at needle In pipe 2.Needle handle 3 is rotated backward again, moves up needle tubing 2 with respect to supporting block 1, and is detached from from the skin of patient, completes to puncture.

Above-described is only the embodiments of the present invention, well known specific technical solution and/or characteristic etc. in scheme Common sense does not describe excessively herein.It should be pointed out that for those skilled in the art, not departing from the utility model technology Under the premise of scheme, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these It all will not influence the effect and patent practicability of the utility model implementation.This application claims protection scope should be with its right It is required that content subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.

Claims (7)

1. a kind of puncture needle, it is characterised in that: including being bonded supporting element, be threaded with puncture in the middle part of the fitting supporting element Part, the puncture component are needle tubing, and the top of needle tubing passes through fitting supporting element and is connected with needle handle, and the bottom end of needle tubing is equipped with tip, The middle part of the needle handle is equipped with threaded hole, and threaded hole internal screw thread is connected with shank, and the top of shank passes through threaded hole and is connected with The bottom end of handle, shank is located in needle tubing.

2. a kind of puncture needle according to claim 1, it is characterised in that: the top of the fitting supporting element is equipped with disinfection group Part, the disinfectant component include the multiple fixed blocks being fixed at the top of fitting supporting element, and fixed block is connected with support spring, are propped up Support spring is connected with the disinfection block being slidably connected at the top of fitting supporting element, the disinfection block and needle tubing far from one end of fixed block Outer wall offsets.

3. a kind of puncture needle according to claim 1, it is characterised in that: the bottom end of the shank is equipped with puncturing head.

4. a kind of puncture needle according to claim 3, it is characterised in that: rounding off between the tip and needle tubing, institute State rounding off between puncturing head and shank.

5. a kind of puncture needle according to claim 2, it is characterised in that: the disinfection block is wedge block, the wedge of wedge block Face is obliquely installed towards needle tubing.

6. a kind of puncture needle according to claim 2, it is characterised in that: be arranged with spring cylinder outside the support spring.

7. a kind of puncture needle according to claim 6, it is characterised in that: the both ends of the handle are removably connected with anti- Slip layer.