CN209996933U

CN209996933U - injection device for vaginal wall water separation

Info

Publication number: CN209996933U
Application number: CN201920668801.3U
Authority: CN
Inventors: 尹一童
Original assignee: Shengjing Hospital of China Medical University
Current assignee: Shengjing Hospital of China Medical University
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-01-31
Anticipated expiration: 2029-05-10

Abstract

injection device for separating water from vaginal wall, which belongs to medical appliance technology field, comprising a needle tube, wherein the front end of the needle tube is provided with a needle head body, the needle head body is provided with a contact sliding body in a sliding way, the side part of the contact sliding body is provided with a apposition rod, the rear part of the apposition rod is provided with a measuring rod parallel to the needle head body, the side part of the needle tube is provided with an indication rod corresponding to the measuring rod.

Description

injection device for vaginal wall water separation

Technical Field

The utility model relates to an injection device who is applied to vaginal wall separation of water, especially dedicated among women's pelvic cavity viscera prolapse operation, the liquid injection device who is applicable to vaginal wall separation of water step belongs to medical instrument technical field.

Background

With the progress of aging society, investigation shows that the incidence rate of pelvic organ prolapse of an elderly patient is increased year by year. The problems of urination disorder and defecation disorder of patients caused by the pelvic organ prolapse seriously affect the life quality of the patients, so more and more old patients select operation treatment to exactly improve the pelvic organ prolapse problem.

The operation treatment of the diseases comprises steps which are important to separate the vaginal wall from the front wall of the bladder and the side wall of the bladder, wherein the vaginal wall is adhered to the bladder more densely under normal conditions, a doctor usually selects a common injector to inject physiological saline into a bladder vaginal gap so as to separate tissues of the bladder wall and the vaginal wall, and operation is medically called water separation, but the common injector has the defects that 1, the injector needle is short, the length of the needle of the common injector is about 4-5cm, for patients with high height or deep pelvis, the bladder side gap is about 8-10cm away from the vaginal wall, the common injector cannot achieve the satisfactory water separation depth, the blood yield in the operation can be increased when the water separation is unsatisfactory, 2, the common injector cannot clearly judge the depth of the needle inserted into the tissue, if the needle is inserted deeply and possibly injures the bladder, and if the needle is inserted shallowly, the water separation function cannot be achieved, and the mastering of the insertion depth is dependent on the clinical experience of the doctor.

In view of the above-mentioned prior art, the applicant of the present invention has made a lot of repeated and beneficial researches, and the final product has obtained effective results and formed the technical solutions to be described below.

SUMMERY OF THE UTILITY MODEL

In order to foretell not enough, the utility model provides an injection device who is applied to vagina wall separation of water, the syringe needle is long, can satisfy different individual difference patients and carry out the separation of water operation in bladder antetheca clearance and bladder lateral wall clearance in addition, set up the syringe needle in the needle tubing outside and insert the measurement structure for the degree of depth that the needle puncture got into the tissue can be simply and conveniently judged to the operation doctor, provide objective, convenient operation information for the operation, improved operation degree of accuracy and security.

injection device who is applied to vaginal wall separation of water, including the needle body, needle body front end be equipped with the syringe needle body, the syringe needle body on slide and be provided with the contact slip body, contact slip body lateral part be equipped with the syntopic pole, the syntopic pole on keep away from contact slip body end is equipped with the metering rod parallel with the syringe needle body, needle body lateral part be equipped with the pilot lever that corresponds the metering rod.

step, the needle tube body front side be equipped with the locating plate, the locating plate be located the pilot lever rear end, the metering rod extend and pass the locating plate from the apposition pole towards the locating plate direction, the extension end of metering rod is equipped with the spacing bottom plate that prevents the metering rod and drop for the locating plate slip, the locating plate on be equipped with spacing bottom plate matched with storage tank.

, the front end of the needle tube is fitted with a mounting sleeve in an interference fit manner, and the positioning plate and the indicating rod are glued and fixed on the mounting sleeve.

, a mounting chute is arranged on the positioning plate at the side of the accommodating groove , and a limiting block for stabilizing the limiting bottom plate in the accommodating groove is arranged in the mounting chute in a sliding manner.

, the clamping angle between the apposition rod and the plane of the needle body is 75-85 degrees, and the metering rod is provided with metering scale marks.

, the measuring scale mark is scale units per 0.2cm, and the scale value which is easy to visually identify is arranged on the side of the measuring scale mark per 1 cm.

, the length of the needle head body is 8-10cm, and the scale distance between the initial metering scale line on the metering rod and the indicating rod tip is equal to the length of the inclined tip at the front end of the needle head body.

step by step, the contact sliding body include slider installation pipe, joint groove, nonrust steel pipe, times nature cushion and cushion passageway, slider installation inside pipe wall ring be equipped with the joint groove, the joint inslot block have nonrust steel pipe, nonrust steel pipe and joint groove between the application have sealed glue, and nonrust steel pipe internal diameter is less than slider installation pipe internal diameter, slider installation nose portion be equipped with the joint groove, times nature cushion cooperate through the protruding and joint groove of joint of bottom, and the centre is equipped with the cushion passageway, cushion passageway internal diameter be greater than nonrust steel pipe internal diameter.

, the bottom of the slide block mounting tube is connected with a buffer base through a thread for shock absorption when colliding with the needle tube, a base channel is arranged in the middle of the buffer base, and the inner diameter of the base channel is larger than that of the stainless steel tube.

, the inside of the stainless steel pipe orifice is arranged by round angles

The utility model has the advantages that:

1. the device has long injection needle, and can meet the water separation operation of the bladder front wall gap and the bladder side wall gap of patients with different individual differences; in addition, the needle insertion metering structure is arranged outside the needle tube, so that an operating doctor can simply and conveniently judge the depth of the needle penetrating into tissues, and accidental injury caused by subjective factors of the doctor is prevented; objective and convenient operation information is provided for the operation, and the accuracy and the safety of the operation are improved;

2. the limiting bottom plate is used for effectively preventing the metering rod from sliding off from the positioning plate, and meanwhile, when the limiting bottom plate is positioned in the accommodating groove, the initial positions of the limiting bottom plate and the metering rod can be effectively fixed through the sliding limiting block, and the limiting block can slide out to be removed from the fixing when in use, so that the practicability is greatly improved;

3. the metering rod is provided with a scale value, so that medical staff can observe the operation more directly and accurately;

4. the sliding friction force can be greatly reduced by matching the stainless steel tube with the needle tube, and the inner diameters of the cushion channel and the base channel are larger than the inner diameter of the stainless steel tube, so that the needle head body penetrates through the contact part and is the inner wall of the stainless steel tube, and the practicability is effectively improved.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

fig. 2 is an enlarged view of the structure of the present invention at a in fig. 1;

fig. 3 is a schematic structural view of the utility model in embodiment 1 after use;

fig. 4 is a schematic plan view of embodiment 1 of the present invention;

FIG. 5 is a schematic view of the internal structure of the contact slider according to the present invention;

fig. 6 is an enlarged view of the structure of the present invention at B in fig. 5;

fig. 7 is a schematic view of the overall structure of embodiment 2 of the present invention.

In the figure, a needle tube body 1, a needle head body 11, a contact sliding body 2, a synchronizing rod 21, a sliding block mounting tube 22, a clamping groove 221, a joint groove 222, a stainless steel tube 23, an -time cushion 24, a cushion channel 241, a buffer base 25, a base channel 251, a measuring rod 3, a measuring scale mark 31, a limit bottom plate 32, a positioning plate 4, a mounting sliding groove 41, a containing groove 42, a limit block 5, a mounting sliding block 51, an indicating rod 6 and a mounting sleeve 7.

Detailed Description

For a better understanding, embodiments of the present invention are explained in detail below with reference to the accompanying drawings.

Example 1

The following is a description of example 1.

As shown in fig. 1 to 2, injection devices for vaginal wall water separation include a needle tube body 1, a needle body 11, a contact sliding body 2, a apposition rod 21, a measuring rod 3, measuring scale lines 31, a positioning plate 4, a mounting chute 41, a stopper 5, a mounting slider 51 and an indicating rod 6, wherein the needle tube body 11 is arranged at the front end of the needle tube body 1, the contact sliding body 2 is slidably arranged on the needle body 11, the side portion of the contact sliding body 2 is glued and fixed to a end of the apposition rod 21, a clamping angle between the apposition rod 21 and the needle body 11 is 75-85 degrees, the other end is glued and fixed with the measuring rod 3 parallel to the needle body 11, the measuring rod 3 is uniformly provided with measuring scale lines 31 of scale units per 0.2cm, the measuring scale lines 31 located on each 1cm side are provided with scale values easy to be visually recognized, indicating rods 6 and two indicating rods 4 located behind the indicating rods 6 are glued and fixed to the front end of the needle tube body 1, the positioning plate is provided with mounting chutes 596 corresponding to the sliding rod mounting chute 41, and the positioning plate 41 is provided with the positioning plate 41.

The length of the needle body 11 adopt 8 ~ 10cm, spacing bottom plate 32 when being located storage tank 42, contact 2 front ends of the sliding body and 11 oblique point portions rear sides of the needle body align mutually, the distance is equal with 11 front end oblique point portions length of the needle body between the 6 points of originated 0 measurement scale mark on the metering rod 3 and the guide bar for reserve the length of 11 oblique point portions of the needle body, make the measurement more accurate.

As shown in fig. 3 to 4, the measuring rod 3 extends from the alignment rod 21 toward the positioning plate 4 and sequentially passes through the two positioning plates 4, the extending end of the measuring rod 3 is provided with a limit bottom plate 32 for preventing the measuring rod 3 from sliding off the positioning plate 4, and the positioning plate 4 far away from the indicating rod 6 is provided with an accommodating groove 42 for matching with the limit bottom plate 32 at the side of the installation chute 41 .

As shown in fig. 5 to 6, the contact sliding body 2 includes a sliding block mounting tube 22, a clamping groove 221, a joint groove 222, a stainless steel tube 23, a inferior cushion 24, a cushion passage 241, a buffer base 25 and a base passage 251, the inner wall of the sliding block mounting tube 22 is annularly provided with the clamping groove 221, the stainless steel tube 23 is clamped in the clamping groove 221, a sealant is coated between the stainless steel tube 23 and the clamping groove 221, the inner diameter of the stainless steel tube 23 is smaller than the inner diameter of the sliding block mounting tube 22, the top of the sliding block mounting tube 22 is provided with the joint groove 222, the inferior cushion 24 is matched with the joint groove 222 through a joint bulge at the bottom, the cushion passage 241 is arranged in the middle, the bottom of the sliding block mounting tube 22 is threadedly connected with the buffer base 25 for shock absorption when colliding with the needle body 1, the buffer base 25 is provided with the base passage in the middle, the inner diameters of the cushion passage 241 and the base passage 251 are both larger than the inner diameter of the stainless steel tube 23, so as to ensure that the friction between the stainless steel tube 23 and the needle body 11 is smaller, thereby facilitating the contact sliding body 2, the includes, the materials used for sterilization, but not limited to the.

Slider installation pipe 22, apposition pole 21, metering rod 3, locating plate 4, stopper 5 and pilot lever 6 all adopt medical PVC material, 23 mouth of pipe inboards of nonrust steel pipe adopt the fillet setting for prevent that the hydrops from remaining, the disinfection of being convenient for.

Example 2

The following is a description of example 2.

In embodiment 2, the same reference numerals are given to the same structures as those in embodiment 1, the same descriptions are omitted, and embodiment 2 is improved over embodiment 1, as shown in fig. 7, a mounting sleeve 7 is arranged at the front end of the needle tube body 1, the positioning plate 4 and the indicating rod 6 are both glued and fixed on the mounting sleeve 7, and the mounting sleeve 7 is made of transparent PVC and is in interference fit with the front end of the needle tube body 1.

The benefit of this embodiment is: the device can be taken down from the needle tube body 1, so that the device is convenient to disinfect and use repeatedly, the use cost is greatly reduced, and the practicability is improved.

The injection device is used as follows:

firstly, mounting the sterilized disposable soft pad 24 into the joint groove 222 at the front end of the contact sliding body 2, further sliding the measuring rod 3 in the positioning plate 4, so that the limit bottom plate 32 at the bottom of the measuring rod 3 enters the containing groove 42 of the positioning plate 4, sliding the limit block 5 to the rear side of the limit bottom plate 32 by steps, so that the limit bottom plate 32 and the measuring rod 3 are fixed, at this time, the contact sliding body 2 is positioned at the rear side of the inclined tip part on the needle head body 11, and the indicating rod 6 corresponds to the front side of the 0 scale mark on the measuring plate 3, so as to complete the preparation operation before the operation;

when the needle is used, the limiting block 5 slides to the initial position along the mounting chute 41, the needle body 11 is slowly inserted into the tissue skin, the -time soft pad 24 on the contact sliding body 2 contacts the skin and receives the reaction force from the skin, so that the inner wall of the stainless steel tube 23 slides backwards on the needle body 11, the positioning rod 21 drives the measuring rod 3 to move backwards, the indicating rod 6 indicates the insertion depth of the needle body 11 corresponding to the measuring scale line 31 on the measuring rod 3, and the medical staff can visually distinguish the needle body conveniently.

When the mounting sleeve 7 is used, after use, the mounting sleeve 7 and the contact sliding body 2 are sequentially removed from the needle tube body 1 and the needle head body 11 for sterilization, and times of soft pads 24 are replaced for next times of use.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

The injection device applied to vaginal wall water separation comprises a needle tube body, wherein a needle head body is arranged at the front end of the needle tube body, and the injection device is characterized in that a contact sliding body is arranged on the needle head body in a sliding mode, a positioning rod is arranged on the side portion of the contact sliding body, a metering rod parallel to the needle head body is arranged at the end, far away from the contact sliding body , of the positioning rod, and an indicating rod corresponding to the metering rod is arranged on the side portion of the needle tube body.
2. The syringe device for separating water from vaginal wall according to claim 1, wherein the needle tube has a positioning plate at the front end thereof, the positioning plate is located at the rear end of the indicating rod, the measuring rod extends from the apposition rod toward and through the positioning plate, the extending end of the measuring rod has a bottom plate for preventing the measuring rod from sliding off the positioning plate, and the positioning plate has a receiving groove for engaging with the bottom plate.
3. The syringe device for separating water from vaginal wall according to claim 2, wherein the needle tube has a mounting sleeve in interference fit at its front end, and the positioning plate and the indicating rod are both glued and fixed to the mounting sleeve.
4. The syringe device for separating water from vaginal wall according to claim 2, wherein the positioning plate has a slot at the side of the receiving slot , and a stop block is slidably disposed in the slot for stabilizing the bottom plate in the receiving slot.
5. The syringe device for separating water from vaginal wall according to claim 4, wherein the included angle between the co-located rod and the plane of the needle body is 75-85 °, and the metering rod is provided with metering graduation lines.
6. The syringe device for separating water from vaginal wall according to claim 5, wherein the metering graduation mark is graduation units per 0.2cm, and easily visually recognizable scale values are provided at sides of the metering graduation mark per 1 cm.
7. The kinds of injection device for separating water from vaginal wall as claimed in claim 5, wherein the length of needle body is 8-10cm, and the distance between the start metering scale line on the metering rod and the indicating rod tip is equal to the length of the tip of needle body.
8. The injection device for vaginal wall water separation according to claim 1, wherein the contact slider includes a slider mounting tube, a locking groove, a stainless steel tube, a times cushion, and a cushion channel, the inner wall of the slider mounting tube is surrounded with the locking groove, the locking groove is engaged with the stainless steel tube, the stainless steel tube and the locking groove are coated with sealant, the inner diameter of the stainless steel tube is smaller than the inner diameter of the slider mounting tube, the top of the slider mounting tube is provided with the locking groove, the times cushion is engaged with the locking groove through the locking protrusion at the bottom, and the cushion channel is provided in the middle, the inner diameter of the cushion channel is larger than the inner diameter of the stainless steel tube.
9. The syringe device for separating water from vaginal wall according to claim 8, wherein the bottom of the slider mounting tube is threaded with a shock absorbing base for absorbing shock when colliding with the needle tube, the middle of the shock absorbing base is provided with a base channel, and the inner diameter of the base channel is larger than that of the stainless steel tube.
10. The syringe device for vaginal wall water separation as claimed in claim 8, wherein the inside of the mouth of said stainless steel tube is rounded.