CN207270552U - A kind of backbone percutaneous puncture seal wire - Google Patents

Abstract

The utility model embodiment discloses a kind of backbone percutaneous puncture seal wire, including inner core and outer tube, wherein, inner core is woven in the shape of a spiral by more seal wires, and inner core outer sleeve sets outer tube and stretched out with overcoat pipe clamp, inner core from one end of outer tube；Seal wire is equal to the diameter that the distance between the medical guiding wire of 0.2mm, outside diameter and internal diameter of outer tube are less than inner core for diameter, and outer tube surfaces externally and internally is smooth.The utility model embodiment is by the way that medical guiding wire is woven, make backbone percutaneous puncture seal wire when inserting patient's body, backbone percutaneous puncture seal wire inner core front end touches centrum antetheca and deforms upon, medical guiding wire is loose immediately, prevent and injure patient vessel and internal organs since medical guiding wire punctures centrum antetheca, the security of percutaneous cervical arc root screw art can be effectively improved.

Description

A kind of backbone percutaneous puncture seal wire

Technical field

The field of medical instrument technology is the utility model is related to, more particularly to a kind of backbone percutaneous puncture seal wire.

Background technology

With the development of vertebral column minimally invasive technology, MIS-TLIF (Minimally Invasive Surgery- Transforaminal Lumbar Interbody Fusion, fusion between minimally invasive transforaminal lumbar), balloon angioplasty Vertebroplasty (Percutanouskyphoplasty, PKP) etc. is increasingly becoming the common minimally invasive Internal fixation technology of spinal surgery, Wherein, percutaneous cervical arc root screw art is the basic technology of various minimally invasive Internal fixation technologies, is treatment backbone degenerative disease, backbone The safe and efficient minimal invasive techniques of the disease such as wound and tumor of spine.

In the prior art, when carrying out percutaneous cervical arc root screw art, first, make puncture be needled into patient skin, wait puncture After pin reaches patient lesion centrum, puncture needle is fixed；Then, seal wire 11 is inserted into patient's body along puncture needle, passes through side position X 11 position of line fluoroscopic observation seal wire, as shown in Figure 1, stopping inserting when seal wire 11 exceedes centrum center line 12, along seal wire 11 Carry out pedicle screw trajectory tapping and screw is screwed into, finally, after successively taking out seal wire 11 and puncture needle, by wound suture.

However, when seal wire 11 is inserted patient's body along puncture needle, since seal wire 11 cannot be grasped in real time in patient's body Interior position, easily by seal wire 11 it is excessive insert patient's body, so as to patient centrum antetheca 13 be punctured, to the important of patient Blood vessel or splanchnocoel internal organs cause to damage, and not only increase the risk that the pain of patient and postoperative complications produce, also increase The bed rest time of patient, impacts the Working Life of patient, greatly reduces the security of percutaneous cervical arc root screw art.

Utility model content

A kind of backbone percutaneous puncture seal wire is provided in the utility model embodiment, to solve percutaneous vertebral arch in the prior art The problem of root screw art security is low.

In order to solve the above-mentioned technical problem, the utility model embodiment discloses following technical solution：

The utility model embodiment discloses a kind of backbone percutaneous puncture seal wire, including：Inner core and outer tube, wherein, institute Inner core is stated to be formed by the braiding of more seal wires, the inner core outer sleeve set the outer tube and with the overcoat pipe clamp；The inner core One end along the outer tube stretches out.

Preferably, in above-mentioned backbone percutaneous puncture seal wire, the inner core includes more seal wires, and multiple seal wires are along same Direction weaves in the shape of a spiral.

Preferably, in above-mentioned backbone percutaneous puncture seal wire, the seal wire is equal to the medical guiding wire of 0.2mm for diameter.

Preferably, in above-mentioned backbone percutaneous puncture seal wire, the distance between outside diameter and internal diameter of the outer tube are less than institute State the diameter of inner core.

Preferably, in above-mentioned backbone percutaneous puncture seal wire, the outer tube surfaces externally and internally is smooth.

Preferably, in above-mentioned backbone percutaneous puncture seal wire, the length of the inner core is more than the length of the outer tube.

Preferably, in above-mentioned backbone percutaneous puncture seal wire, the one end open and the other end of the outer tube are remained silent, described interior Core is stretched out from the openend of the outer tube.

Preferably, in above-mentioned backbone percutaneous puncture seal wire, length of the inner core from the stretching of the openend of the outer tube For 9mm.

By above technical scheme as it can be seen that the backbone percutaneous puncture seal wire of the utility model embodiment offer is including inner core and outside Casing, wherein, inner core is worked out in the shape of a spiral by more seal wires, and inner core outer sleeve sets outer tube, and inner core is from one end of outer tube Stretch out.The utility model embodiment makes backbone percutaneous puncture seal wire insert patient's body by the way that medical guiding wire is woven When, backbone percutaneous puncture seal wire inner core front end touches centrum antetheca and deforms upon, and medical guiding wire is loose immediately, it is therefore prevented that due to Medical guiding wire punctures centrum antetheca and injures patient vessel and internal organs, can effectively improve the safety of percutaneous cervical arc root screw art Property.

Brief description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, for ordinary skill people For member, without creative efforts, other attached drawings can also be obtained according to these attached drawings.

Seal wire uses schematic diagram in the percutaneous cervical arc root screw art that Fig. 1 provides for the prior art；

Fig. 2 is a kind of structure diagram for backbone percutaneous puncture seal wire that the utility model embodiment provides；

Fig. 3 is structure diagram when a kind of backbone percutaneous puncture seal wire that the utility model embodiment provides uses.

Symbol description：

11- seal wires, 12- centrums center line, 13- centrums antetheca, 1- inner cores, 2- outer tubes.

Embodiment

In order to make those skilled in the art more fully understand the technical solution in the utility model, below in conjunction with this reality With the attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that The described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on the utility model In embodiment, the every other implementation that those of ordinary skill in the art are obtained without making creative work Example, should all belong to the scope of the utility model protection.

The utility model embodiment discloses a kind of backbone percutaneous puncture seal wire, is being passed through below with backbone percutaneous puncture seal wire Illustrated exemplified by use in skin pedicle screw art.

Referring to Fig. 2, a kind of structure diagram of the backbone percutaneous puncture seal wire provided for the utility model embodiment, such as schemes Shown in 2, backbone percutaneous puncture seal wire includes inner core 1 and outer tube 2.

By the medical guiding wire of more a diameter of 0.2mm, braiding forms inner core 1 in the shape of a spiral in the same direction, when inner core 1 connects Contact during centrum antetheca can because be subject to resistance and when be in that interlaced medical guiding wire is loose, prevent from puncturing patient's centrum antetheca, In view of the strong hand of most patients is the right hand, in order to it is easy to use by more medical guiding wires along clockwise direction in the shape of a spiral Braiding, in addition, in order to make inner core 1 use when effect and comfort level it is more preferable, generally select 9 seal wires woven.

Because inner core 1 is helical form braiding, when backbone percutaneous puncture seal wire is taken out, edge is identical with weaving direction Direction, which carries out rotary inner core 1, to be woven together again, easy to postoperative taking-up.

Outer tube 2 is arranged outside inner core 1, the activity in outer tube of inner core 1 in order to prevent is led so as to influence backbone percutaneous puncture The use of silk, inner core 1 and 2 clamping of outer tube.

In order to make inner core 1 and 2 more preferable clamping of outer tube, the inner surface of outer tube 2 is smooth, meanwhile, in order to when in use Do not injure patient muscle, the smooth outer surface of outer tube 2.

In order to improve the leakproofness of backbone percutaneous puncture seal wire, the one end open and the other end of outer tube 2 are remained silent, inner core 1 The length stretched out and stretched out from the closed end of outer tube 2 is 9mm, is prevented in production or use between inner core 1 and outer tube 2 There are dust or bacterium.

In order to make backbone percutaneous puncture seal wire lighter and not influence to use because diameter is too big, 2 internal-and external diameter of outer tube The distance between be less than inner core 1 diameter.

The length of inner core 1 is more than the length of outer tube 2, avoids inner core 1 when touching centrum antetheca, is sent out because of resistance The situation of 1 retraction outer tube 2 of raw inner core, meanwhile, the closed end of outer tube 2 also effectively blocks the retraction of inner core 1.

Specifically used step of the backbone percutaneous puncture seal wire in percutaneous cervical arc root screw art is as described below：

First, make puncture be needled into patient skin, after waiting puncture needle to reach patient lesion centrum, puncture needle is fixed；So Afterwards, backbone percutaneous puncture seal wire is inserted into patient's body along puncture needle, when patient be clearly felt that backbone percutaneous puncture seal wire into Enter there are during resistance, the shape of the extension from outer tube 2 of backbone percutaneous puncture seal wire inner core 1 is observed by side position X-ray examination The depth of state and backbone percutaneous puncture seal wire, when backbone percutaneous puncture seal wire inner core 1, extension substantially scatters from outer tube 2 And can stop inserting for backbone percutaneous puncture seal wire when exceeding centrum center line, carry out pedicle nail along backbone percutaneous puncture seal wire Road tapping and screw are screwed into, finally, after backbone percutaneous puncture seal wire and puncture needle are taken out successively, by wound suture, wherein, According to backbone percutaneous puncture seal wire is rotated clockwise when backbone percutaneous puncture seal wire is taken out, inner core 1 is set to be woven in again Together, easy to taking out.

Referring to Fig. 3, structural representation when being used for a kind of backbone percutaneous puncture seal wire that the utility model embodiment provides Alteration of form will not occur in the case where not meeting obstructions for figure, as shown in Figure 2 and Figure 3, backbone percutaneous puncture seal wire inner core 1, and one Denier backbone percutaneous puncture seal wire is inserted backbone percutaneous puncture seal wire inner core 1 in centrum internal procedure and is contacted with centrum antetheca, backbone warp Alteration of form can occur for skin puncture seal wire inner core 1, i.e., 9 medical guiding wires worked out in the shape of a spiral can be loose, at this time because doctor After being scattered with seal wire, in the case where pressure is constant, the contact area increase of medical guiding wire and centrum, pressure diminishes, medical to lead Silk is difficult through centrum antetheca, so as to will not cause to damage to the important blood vessels or splanchnocoel internal organs of patient.

The utility model embodiment makes backbone percutaneous puncture seal wire insert patient's body by the way that medical guiding wire is woven When interior, 1 front end of backbone percutaneous puncture seal wire inner core touches centrum antetheca and deforms upon, and medical guiding wire is loose immediately, it is therefore prevented that Patient vessel and internal organs are injured since medical guiding wire punctures centrum antetheca, the peace of percutaneous cervical arc root screw art can be effectively improved Quan Xing, reduces the risk that the pain of patient and postoperative complications produce.

It should be noted that term " comprising ", "comprising" or its any other variant are intended to the bag of nonexcludability Contain, so that process, method, article or equipment including a series of elements not only include those key elements, but also including Other elements that are not explicitly listed, or further include as elements inherent to such a process, method, article, or device. In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element Process, method, also there are other identical element in article or equipment.

The above is only specific embodiment of the present utility model, is made skilled artisans appreciate that or realizing this Utility model.A variety of modifications to these embodiments will be apparent to one skilled in the art, institute herein The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and original disclosed herein The reason most wide scope consistent with features of novelty.

Claims (8)

1. A kind of 1. backbone percutaneous puncture seal wire, it is characterised in that including：Inner core (1) and outer tube (2), wherein, the inner core (1) formed by the braiding of more seal wires, be arranged outside the inner core (1) outer tube (2) and with the outer tube (2) clamping；Institute Inner core (1) is stated along one end of the outer tube (2) to stretch out.
2. 2. backbone percutaneous puncture seal wire according to claim 1, it is characterised in that the inner core (1) includes more seal wires, Multiple seal wires weave in the shape of a spiral in the same direction.
3. 3. backbone percutaneous puncture seal wire according to claim 1, it is characterised in that the seal wire is equal to 0.2mm for diameter Medical guiding wire.
4. 4. backbone percutaneous puncture seal wire according to claim 1, it is characterised in that the outside diameter of the outer tube (2) and interior The distance between footpath is less than the diameter of the inner core (1).
5. 5. backbone percutaneous puncture seal wire according to claim 1, it is characterised in that outer tube (2) surfaces externally and internally is equal It is smooth.
6. 6. backbone percutaneous puncture seal wire according to claim 1, it is characterised in that the length of the inner core (1) is more than institute State the length of outer tube (2).
7. 7. backbone percutaneous puncture seal wire according to claim 1, it is characterised in that the one end open of the outer tube (2) And the other end is remained silent, the inner core (1) is stretched out from the openend of the outer tube (2).
8. 8. backbone percutaneous puncture seal wire according to claim 7, it is characterised in that the inner core (1) is from the outer tube (2) length that openend is stretched out is 9mm.